Actron Scan Tools User Manual
Manual Supplement
PIDS
For Scan Tools
Tool Information
Provide the following information
when contacting customer
support.
Serial No:
SW ID:
HW Ver:
Boot Ver:
Prod ID:
Board ID:
Burn Date:
Burn Loc:
Copyr igh t In fo rm a tio n
Copyright © 2003 Actron Manufacturing, Inc.
All rights reserved.
The information, specifications and illustrations in this
manual are b ased o n the latest i nf orma tion ava i lable at the
time of printing.
to make changes at any time without notice.
Actron Manufacturing
reserves the right
Global PID Definitions
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All global p aramet er i denti ficat ion da ta ( PID) li sted was verif ied o n ac tual v ehicl es to guar antee accuracy. PID Definitions were obtained from reliab le sources and are accur ate at
time of printing . It is possible that some newer vehicles may cont ain data di fferent from th at
listed. Always refer to vehicle service manual for manufacturer specific PIDs.
The PID list i s organized i n alphabetical o rder — the sam e way the scan t ool does. Remember, a lways refe r to a vehi cle servi ce manual f or detai led diagn ostic procedur es when t roubleshooting incorrect PID values.
Types of Data Parameters
INPUT:These data parameters are obtain ed fr om sensor circuit outputs.
Sensor circuit outputs are inpu ts to vehicle’s PCM. For example, if Ox ygen
Sensor circuit was generating a 400mV signal, then scan tool would read
O2S (v) 0.40.
OUTPUT:These data p arameters are outputs or commands that come directly from computer modul e(s). For examp le; the ign itio n sp ark advanc e is
controlled by PCM, on most vehicles, monitoring this PID shows spark output from PCM. The scan tool would display IGN ADV(º) 10.
CALCULATED:These data para me ter s are calculated after analyzing various inputs to
VALUE the vehicle’s com puter module(s). For exa mp le, the engine load.
The PCM calculates this from senso r input s and displ ays it in a percent age .
PCM VALUE:Is information that i s stored in the computer module(s)’ memory and determined t o be useful to service te chnici an. An example of t his is
TROUBLE CODE value, the DTC that caused a freeze f rame capture.
✓ NOTE: Several different causes can have the same parameter indication. For
information on diagnostics consult vehicle service manuals.
DATA PARAMETER LIST
ABS FRP (0 - 65,5350 kPA) or (0 - 95050.5 psi)
Absolute Fuel Rail Pressure
pressure.
ABS LOAD (0 - 100%)
Absolute Load Value
ABSLT TPS (0 - 100 % )
Absolute Throttle Position
ACC POS D,E or F (0 - 100%)
Accelerator Pedal Position
BARO PRESS (0 - 255 kPA) or (0 - 36.9 p si)
Barometric Pressure
pressure sensor, and other inputs during cert ain modes of driving.
✓ The Baro Press may not exhibit the same value as weather services, which
measure barometric pressure at sea level.
CALC LOAD (0 - 100%)
Calculated LOAD Value
CAT TEMPxy (- 40 – 6513.5ºC) or ( - 40 – 9999.9ºF)
Catalyst Temperature
used by control module strategy for OBD monitoring) or displays the Bank x Sensor y
catalyst temp erature sensor.
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is the fuel pressure at the engine in respect to atmosphe ric
is the normalized value of air mass per intak e str oke in percen tage.
represents nor m ali zed distance the throttle is opened.
represents normalized distance the gas pedal is pressed.
is usually received from a dedicated barometer, manifold absolute
indicates the normalized load value on the engine.
displays th e cat alyst sub strat e tem perat ure fo r a Bank x catal yst ( if
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CLR DST (0 – 65,535 km) or (0 – 40,722 miles)
Distance Si nce Cleared Diagnost ic Codes
codes were erased.
CLR TIM (0 – 65,535 min) or (0 – 1092.25 hours)
Time Since Cleared Diagnost ic Code
CMD EQ RATxy (0 – 1.99)
Commanded Equivalence Ratio
• For systems that use conventional oxygen sensors, the commanded equivalence
ratio displays in open loop. In closed loop, the value is 1.0.
• Fuel systems using wide-range/linear oxygen sensors displ ay commanded equivalence ratio in both open and closed loop operation.
COOLANT (- 40 – 215ºC) or (- 40 – 419ºF)
Coolant
temperature sensor.
displays engin e coolant temperature (ECT) fr om a ECT sensor or cylinder head
is the ratio of the air/fuel mixture.
is the dist ance driven since diagnostic t rouble
is time since diagnostic trouble codes were eras ed.
✓ Many diesel engines do not use either sensor and may substitute Engine Oil
Temperature instead.
EGR CMD (0 – 100%)
Commanded Exhaust Gas Reci rculation
being recirculated.
EGR ERR (-100 – 99.22%)
Exhaust Gas Recirculation Error
another.
ENG RUN (0 – 65,535 sec.)
Time si n ce Engine Start
is the time the engine i s running.
shows the error from changing from one conditio n to
is the normalized percentage of exhaust gas
✓ ENG RUN stops when engine stalls or engine is turned off for any reason.
ENGINE (0 – 16,383.75 RPM)
Engine
is the speed engine is runnin g in rev olutions per minute (RPM).
EQ RATxy
O2 Sensor Equivalence Ratio
Sensor y.
EV AP REQ (0 – 100%)
Commanded Evapora tive Purge
percentage.
EVAP VP (- 8192 – 8191 PA) or (- 32.8878 – 32.8838 H
Evaporative E missions System Vapor Pressure
FUEL L V L (0 – 100%)
Fuel Level Input is t he percentage of fuel with 0% equal ing tank is full and 100% when
tank is empty.
FUEL PRES (0 – 765 kPa) or (0 - 110 psi )
Fuel Rail Pressure
sphere pressure.
FUEL SYS (OPEN or CLSD)
Fuel System Status
OPEN: Module is operating in Open Loop control strategy. The vehicle has not yet
CLSD: PCM currently functioning in Clos ed loop control strategy, using O2 sen-
OPEN1: Open Loop control st rat egy is being used by the PCM due to driving condi-
is the fuel pressure at the engine when reading in reference to atmo-
show loop status of fuel system banks.
satisfied conditions for Module to go to closed loop.
sor(s) as feedback for fuel control
tions. Driving conditions that may cause this to happen are power enrich-
is used for linear or wide- ratio oxygen sensors fo r Bank x
is the posi tion evapo rative pu rge contro l val ve is open in
20)
is pressure in the fuel tank
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ment and deceleration enrichment.
OPEN2:
CLSD1: Closed Loop control is current storage being used by module, but a fault
IA T TEM P (- 40 – 215º C) or (- 40 – 419ºF)
Intake Air Temperature
ratios and spar k timing operations.
IGN ADV (- 64 – 63.5º)
Ignition Timi ng Advance
engine timing (expressed in crankshaft degrees).
L T FL FTRM (-100 – 99.22%)
Long T erm Fue l T ri m Bank
point being 0.
The PCM is operati ng in Open Loop control st rategy due to detecte d system
fault. Cert ain act uator or sensor f aults will cause module to use an open l oop
strategy.
with at least one O2 sensor has been det ected. The contr ol syste m may be
using single O2 for fuel control calculatio
is a measure of in take air temperatur e to determine cor rect air /fuel
for cyli nder is a signal of how muc h spark adva nce to add to base
is the f uel mixture a djustmen t. The mixtur e can range, with mid -
ns.
✓ Positive reading indicates module commanded a long- term rich mixture cor-
rection in respon se t o a lean ope rati ng con dition. A negati ve readi ng indi cat es
module has commanded a long- term lean mixture in response to a rich operating condition.
MAF (0 – 655.35 g/s) or (0 – 86.5 lb/min)
Mass Air Flow Rate
MAP (0 – 255 kPa) or (Hg)
Intake Manifold Absolute Pressure
MIL DIST (0 – 65,535 km) or (0 – 40,722 miles)
Distance Traveled while Malfu nction Indi cator Lamp i s Active
tance traveled since the MIL “or Check Engine or Service Engine Soon” light came on.
MIL STAT (ON or OFF)
Monitor St atus Data Trouble Code
Lamp to be on if problem exists.
MIL TIME (0 – 65,535 min) or (0 – 1092.25 Hrs)
Distance Since Monitor Status Data Trouble Code
“or Check Engine or Service Engine Soon” light came on.
O2Sxy (0 – 1.275V)
Oxygen Sensor Output Voltage
increase and decrease the amount of exhaust gas.
O2Sxy (- 128 – 127.996mA)
Oxygen Sensor Output Amp
and decrease the amount of exh aust gas
OBD2 STAT (CA, OBDI, US, NONE, EU and/or JA)
On Board Diagnostic
CA - Indicates test vehicle meets California on board diagnostic ARB requirements
OBD I - Indicates test vehicle does not meet OBDII requirements.
US - Indicates test vehicle meets Federal EPA requirements.
NONE - Indicates test vehicle is not on board diagnostic compliant.
EU - Indicates test vehicle meets European on board diagnostic requ ir em ent.
JA - Indicates test vehicle meets Japanese on board diagnostic requirement.
OUTSID AIR (- 40 – 215ºC) or (- 40 – 419ºF)
Outside Air Temperature
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indicates the mass of air entering engine.
displays manifold pressure.
is a counter that displays dis-
state that module is commandi ng Malfuncti on Indicator
is the distance traveled since the MIL
is the voltage generated from the oxygen sensor to
is used for linear or wide rat io oxygen sensors to incr ease
shows wh at vehicl e was made for.
gives temperature outside.
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PTO ST ATUS (OFF or ON)
Power Take Off Status
REL FRP (0 – 5177.27 kPa) or (0 – 750. psi)
Relative Fu e l Ra il P re s sure
REL TPS (0 – 100%)
Relative Throttle Position
SECOND AIR (AIR_ST AT: UPS, DNS or OFF)
Commanded Secondar y Air S tat us
control.
UPS - UP STREAM module is demanding that secondary air be added at exhaust
manifolds
DNS - DOWN STREAM module is demanding secondary ai r be added at catalytic
converter
OFF - Module is demanding no secondary air to be added.
ST FTRMxy (- 100 – 99.22%)
Short-term Fuel Trim Bank
ing on a fuel-injec ted engine.
allows module to keep track of Power at Take-Off.
(Vacuum) is the fuel rail pressure at engine.
is the normalized relative throttle posit ion.
is on newer veh icles and actuat ors t o con trol pol luti on
calculated value r epresents the short -term relation of fuel mete r-
✓ Short-term Fuel Trim calculated value that has a positive percent age is a rich
fuel trim and if a negative percentage is present the fuel trim is lean.
ST FLTRMx (- 100 – 99.2%)
Short-term Fuel Trim
fuel-injected engine.
value represents the short-term relation of fuel metering on a
✓ Short-term Fuel Trim value with a positive percentage is a rich fuel trim and if
a negative percentage is present the fue l tr im is lean.
THR POS (0 – 100%)
Absolut e T h ro tt le Po s iti o n
closed the less percent shown.
THROT CMD (0 – 100%)
Commanded Throttl e Actuator Contro l
percent will be 0 and if wide open 100%.
TRIPS SNC CLR (0 – 255)
Number of warm-ups since diagnostic trouble codes cleared
ture of coolant rises to at least 22ºC (40ºF) from eng ine startin g and reachin g a minimum
temperature of 70ºC (160ºF). In a diesel engi ne, the minimum tempera ture is 60ºC (140ºF.)
is the position the throttle is located. The more the throttle is
is the positio n of the thro ttle. If thro ttle is clos ed the
. Warm-up is when tempera-
✓ If there is more than 255 that the engine warms up t he TRIPS SNC CLR will
remain at 255.
TROUB CODE (0000 – FFFF)
T roubl e Code Parameter
capture. Thi s inf ormation is helpful i n diagnosing the cause of a driveability. If no freeze
frame data has been captured, this PID will be zero.
VEH SPEED (0 – 255 K/h) or (0 – 158 mph)
Vehicle Speed
VPWR (0 - 65.535V)
Control Module Voltage
shows the speed the vehicle is going.
will give the diagnostic troubl e code that caused a fr eeze frame
is the power input to the control mo dule.
✓ Vehicle s us ing a 42V ba tter y may utili ze mul tip le vol tage s of d iffer ent syste ms.
Therefore, the VPWR value m ay be significantly di fferent than the batt ery.
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PID List
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All par ameter ide ntific ation data ( PID) l iste d was veri fied on actual vehi cles to
guarantee acc ura cy. PID Definitions were obt ain ed from r el iabl e source s and
are accurate at time of printing. It is possible that some newer vehicles may
contain data diff erent from that listed. Always refer to vehic le service manual
for manufacturer specific PIDs.
The PID list i s o rganiz ed in al phabeti cal o rde r — the sa me way t he scan t ool
does. Remember, always refer to a vehicle service manual for detailed
diagnostic procedures when troubleshooting incorrect PID values.
PID Extended Descri ptio n
#MISF LST 200 Number of Misfire last 200 Revs (Weighted)
#TRPS SNC MISF Number of Trips Since the Time of Misfire
% GRADE Percent Grade
1/2 FUEL CUT 50% Fuel Cut OFF Module
1-2 DES WOT 1-2 Shift Desired WOT RPM
1-2 ERROR 1-2 Shift Time Error
1-2 SFT 1-2 Shift Time
1-2 SOL 1-2 Shift Solenoid
1-2 SOL OSG 1-2 Shift Solenoid Open/Short To Ground
1-2 SOL STP 1-2 Shift Solenoid Short To Volts
1-2 WOT APT 1-2 Shift WOT RPM Adapt
1-2APT HICEL 1-2 Adapt High Cell
1-2APT LOCEL 1-2 Adapt Low Cell
1-4 SFT SOL
12V REF 12 Volt Reference Voltage
1ST GEAR SW 1st Gear Switch
2-1 SHIFT 2-1 Shift Time
2-3 ERROR 2-3 Shift Time Error
2-3 GEAR LOCK 2-3 Gear Lock
2-3 SFT 2-3 Shift Time
2-3 SHIFT 2-3 Shift Time
2-3 SOL 2-3 Shift Solenoid
2-3 SOL OSG 2-3 Shift Solenoid Open/Short To Ground
2-3 SOL STP 2-3 Shift Solenoid Short To Volts
2-3APT HICEL 2-3 Adapt High Cell
2-3APT LOCEL 2-3 Adapt Low Cell
2-4 SOL 2-4 Solenoid
2-4/LR PRES SW 2 - 4 2-4/LR Pressure Switch
2-4KICK-L/R CL 2 - 4 Kickdown or Low / Reverse - Reverse Clutch
2/4 CL VOL IND 2/4 Clutch Volume Index
24X SENSOR 24x Sensor RPM
24X CKP SEN 24 Times Crankshaft Sensor
2-5 LAST CODE ID 2-5 to Last Code Received
25 MPH REACHED 25 Miles Per Hour Reached
2C CL VOL IND 2C Clutch Volume Index
2C CLUTCH ST 2C Clutch State
2C PRESS SW 2C Pressure Switch
2C SOL 2C Solenoid
2GR START LMP 2 GR Start Lamp
2ND FUEL PUMP 2nd Fuel Pump Relay Control
2ND GEAR SW 2nd Gear Switch
2ND TRIP FT 2nd Trip With Same Fuel Trim
2ND TRIP MISF 2nd Trip With Same Misfires
1-4 Shift Solenoid
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PID
2WD HIGH LGHT 2 Wheel Drive High Indicator Light
3-2 SFT 3-2 Dow nshif t
3-2 SFT ENABLE 3-2 Downs hif t Solen oid Enable
3-2 SHIFT 3-2 Shift Time
3-2 SOL PWM 3-2 Downshift Solenoid PWM
3-4 ERROR 3-4 Shift Time Error
3-4 SFT 3-4 Shi ft Time
3-4 SHIFT 3-4 Shift Time
3-4APT HICEL 3-4 Adapt High Cell
3-4APT LOCEL 3-4 Adapt Low Cell
3RD GEAR SW 3rd Gear Switch
3X ENG ACT 3x Engine Speed Activity
4-3 SHIFT 4-3 Shift Time
4C CLUTCH ST 4C Clutch State
4C PRESS SW 4C Pressure Switch
4C SOL 4C Solenoid
4TH GEAR SW 4th Gear Switch
4WD 4 Wheel Drive
4WD HIGH LIGHT 4 Wheel Drive High Indicator Light
4WD LOW Low Speed WD
4WD LOW LIGHT 4 W heel D riv e Low Indic at or Light
4WD MODE 4-w heel Drive Mode Signal
4X BETWEEN CAM 4X Refrence Between Cam C ount er
4X REF CNT 4X Referenc e Puls e Co unt er
4X4L Low Speed 4WD
5V REF A 5 Volts Reference A
5V REF B 5 Volts Reference B
5V REF AUX Au xilla ry 5 Volt Output
5V REF PRI Primary 5 Volt Output
A.I.R. PUMP Air Injecti on Rea ctor Pum p Re lay Control
A/C CLCH REL Air Conditioning Clutch Relay
A/C CLUTCH Air Conditioning Clutch
A/C CLUTCH RLY Air Conditioning Clutch Re lay
A/C COMMAND Commanded A/C
A/C COMPRESSOR Air Conditioning Compressor
A/C CUTOUT RLY Air Conditioning Cutout Relay
A/C EVAP A/C Evaporative Temperature
A/C PRES A/C Press ure
A/C PRESS A/C Pressure A/D
A/C PSI DISAB A/C Psi Dis abl e
A/C RELAY Air Conditioning Clutch Relay
A/C REQ A/C Requested
A/C REQUEST SW Air Conditioning Requested
A/C RLY COM Air Conditioning Relay Command
A/C RLY DR H Air Conditioning Relay Driver High
A/C RLY DR L Air Conditioning Relay Driver Low
A/C RLY OSG Air Conditioning Relay Circuit Open/Short To Ground
A/C RLY STP Air Conditioning Relay Circuit To Volts
A/C SELECT SW Air Conditioning Select Switch
A/C SLUGGING A/C Slugging
A/C ST ATUS A/C Status
A/D INPUT A/D Input
A/F DESIRED A/F Ratio
A/F RA TIO Air Fuel Rat i o
Extended Description
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PID
ABS EBTCM Anti Braking System Electroni c Body Traction Cont rol Mo dule
ABS EN RELAY Anti Braking System Engage Relays
ABS FAIL LT Anti Braking System Fail Light
ABS FRP Absolute Fuel Rail pressure
ABS IGNITION Anti Braking System Ignition
ABS LOAD Absolute Load
ABS LT FLASH Anti Braking System Light Flashing
ABSLT TPS (%) Absolute Throttle Position Sens or
ABS MODE Anti Braking System Mode
ABS RELAY Anti Braking System Relay
ABS WARN LT Anti-Lock Braking System Warning Light
AC CLUTCH Air Conditioner C lut ch Relay Con trol
AC ENABLED Air Condit ioner Enabled
AC EVAP(°F)/(°C) Air Conditioner Evaporator Temperature
AC FAN REQST Air Conditioner Fan Request
AC HEAD PRES Air Conditioner H ead Pres s ure
AC HI PRES SW A/C Hi Pressure Switch
AC HIGHSIDE A/C Highside Te mp erat ure
AC HIS PR Air Co ndit ioning High Side Pressure
AC LOWSIDE A/C Lowside Temperature
AC PL/GUL Accumulated Time In Park Lock and Gradual Unlock
AC PR OUT RNG A/C Pressure Out of Range
AC PRES(PSI)/(KPA) Air Conditioner Refrigerant Pres s ure
AC PRES(V) Air Conditioner R efr igerant Pres s ure Sens or
AC PRESS SW Air Conditioner Refrigerant Press ure Sw itch
AC RELAY A/C Relay
AC REQUEST Air Conditioner Request Switch
ACC POS D Accelerator Pedal D
ACC POS E Accelerator Pedal E
ACC POS F Accelerator Pedal F
ACCS A/C Cyclic Switch
ACL SIGNAL ACL Signal
ACP A/C Pressure
ACPSW A/C Press ure Sw itch
ACT Air Charge Temperature
ACT A/D Air Charge Temperature Analog to Digital Read ing
ACT AIS POS Actual AIS Motor Position
ACT GAS FLW Actual Gas Flow
ACTUAL TPS Actual Throttle Position
ACTUATOR TST Actuat o r Test
ADD ADPT FUEL Adaptive Adjustment of Fuel Injector
ADD APT FUEL2 Adaptive Adjustment of Fuel Injector Bank 2
ADD FUEL2 Adaptive Adjustment of Fuel Injec tor Bank 2
ADDED FUEL Adaptive Adjustment of Fuel Injector
ADPT FUEL (%) Adaptive Fue l Facto r
ADPT FUEL1-2 (%) Adaptive Fuel Factor Bank 1-2
ADPT KNOCK Adaptable Knock Retard
ADPT SHIFT Adaptable Shift
AIR ASSIST SOL Air Assist Solenoid
AIR DIVRT SOL Air Divert Solenoid Con trol
AIR MO TO R O/C Air Motor O/ C
AIS MTR POS Automatic Idle Speed Motor Position
AIR PUMP Air Pum p
AIR PUMP RELAY Air Pump Relay
Extended Descri ptio n
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PID
AIR PUMP SOL CMD Air Pump Solenoid Comand
AIR SOLENOID Air Solenoid
AIR STAT Air Status
AIR SWITCH Air Switch
AIR SW SOL Air Switch Solenoid Control
AIS POS REQ Automatic Idle Speed Position Request
AIS POSITION Automated Idle Speed Posit ion
ALCH CTNT Fuel Alcohol Content
ALCOHOL(%) Alcohol Concentration In Fuel
ALL SOL/REL All Solenoids/Relays
ALL SOLS/RELS All Solenoids / Re lay s
Alt F-Term Altern ato r F-term inal A/ D
ALT FIELD Alternator Field
AMB/BAT A/D Battery/Ambient Temperature Analog to Digital Reading
AMB/BAT S/N Am bient Battery Serial Number
AMB/BATSNS Ambient Battery Serial Numbers
AMB/BATT Ambient/Battery Temperature
AMB AIR TEMP(V) Ambient Air Temperature
APP 1 Accelerator Pedal Position Sensor 1
APP 2 Accelerator Pedal Position Sensor 2
APP 3 Accelerator Pedal Position Sensor 3
APP ANGLE Acc elerat or Pedal Position Angle
APP AVG Ap plied Pedal Position Average
APP IND Accelerator Pedal Indicated Angle
APP MY Application Model Year
ASD FUEL SYS Auto Shutdown Fuel Sy stem
ASD RELAY Auto Shutdown Relay
ASD RELAY SNS Auto Shutdown Relay Sense
ATC SLIP Auto Traction Control Slip Speed
AUTO 4WD LGHT Auto 4 Wheel Drive Indicator Light
AUTO LRN TMR Auto Learn Timer
AUTOSTK Autostick Vehicle
AUTOSTK DWNS Autostick Downshift
AUTOSTK GEAR Au tost ick Gear Pos it ion
AUTOSTK/OD LO Autostick / OverDrive Lock-Out
AUTOSTK UPS Autostick Upshift
AUX FAN Auxillary Fan
AVG BPW BK1 Average Bank Pulse Widt h Bank 1
AVG BPW BK2 Average Bank Pulse Widt h Bank 2
AWD ENBL All Wheel Drive Enabled
B1 CL1 O2FDB Bank 1 (Left) Closed Loop (Mode 1) Normal O2S F eedback
B1 CL2 O2SF Bank 1 (Left) Closed Loop (Mode 2), Fault with 1 O2S
B1 OL NC Bank 1 (Left) Open Loop Condition N ot Yet Met
B1 OL2 DR Bank 1 (Left ) Open Loop (M ode 2) D ue To Driving Conditions
B1 OL3 FLT Bank 1 (Left) Open Loop (Mode 3) Due To System Fault
B2 CL1 O2FDB Bank 2 (Right) Closed Loop (Mode 1) Normal O2S Feedback
B2 CL2 O2SF Bank 2 (Right) Closed Loop (Mode 2) Fault with 1 O2S
B2 OL NC Bank 2 (Right) Open Loop Condition Not Yet Met
B2 OL2 DR Bank 2 (Right) Open Loop (Mode 2) Due To Driving Conditions
B2 OL3 FLT Bank 2 (Right) Open Loop (Mode 3) Due To System Fault
BAD CYL ID Bad Cylinder Identification
BAL BYPSS REL Ballast Bypas s Relay
BARO Barometric Pressure
BARO PRESS Barometric Pressure
Extended Description
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PID
BARO(V)/("HG)/(KPA) Barometric Pressure
BARO PRS Barometric Pressure Sensor
BARO READ Barometric Pressure Reading
BARO READ SOL Barometric Pressure Solenoid
BARO SOL Barometric Pressure Solenoid
BARO UPDT Barometric Pressure Read Update
BAT TRM OFFSET Battery Transmission Offset
BATT ECM Battery Voltage measured by Engine Co ntr ol Mod ule (CM551)
BATT TCM Battery Voltage measured by Transmission Control M odule
BATT TEMP(°F)/(°C) Battery Temperature
BATT TEMP(V) Batter y Temperature Sensor
BATT VOLTS Battery Voltage
BATTERY (V) Battery Voltage
BLM (BLM L & R) See LT FUEL TRIM
BLM CELL See LT FUEL TRANSMISSI ON CL
BLM ENABLED See LT FUEL TRANSMISSION EN
BLM FINAL Block Learn Memor y Final
BLST BP RLY Ballast Bypass Relay
BOO Brake On/Off
BOO-BRAKE SW Brake On/Off Switch
BOO/BPP Brake ON / OFF
BOOST (KPA)/(PSI) Boost Pressure
BOOST(%)/("HG)/(KPA) Turbocharger Boos t Press ure
BOOST GOAL Boost Pressure Goal
BOOST PRES Boost Pressure
BOOST SOL Boost Solenoid Pulse Width Mod ule
BRAKE F LVL Brake Fluid Level Switch
BRAKE FLUID Brake Fluid
BRAKE SW Brake Switch
BRAKE SW CKT Brake Switch Circuit
BRAKE SWITCH Brake Switch
BRAKE WARN LT Brak e Warning Ligh t
BRK BST VAC Brake Boos t er Vacuum
BRKBST VAC Brake Booster Vacuum
BRK OFF DELAY Brake Off Delay
BRK TELLTALE Brake Telltale
BRK TRQ TST Brake Torque Test
BRK WARN CKT Brake Warning Circuit
BST GOAL Turbocharger Boost Press ure Goal
BST PRES Turbocharger Boost Pressure
BST REQ("HG)/(KPA) Turbocharger Boost Press ure Re ques te d
C1 PR ES SW C1 Press ure Switch
C2 PR ES SW C2 Press ure Switch
C3 C3
C3 PR ES SW C3 Press ure Switch
C4 C4
C4 PR ES SW C4 Press ure Switch
C5 PR ES SW C5 Press ure Switch
CAL AC LD Calculated A/C Load
CAL POT ADJST Calibrat ion Pot ent iom et er Adjus tm ent
CALC CNVRT Calculated Converter Temperature
CALC CONVERT Calculated Converter Temperature
CALC ECT Calculated Engine Coolant Temperature
CALC FLOW Calculated Flow
Extended Descri ptio n
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PID
CALC LOAD (%) Calculated Engi ne Load
CALC VAC Calc ulat ed Engine Vacuum
CALPOT MULTIPL Calibration Potentiometer Multiple
CAM DC Camshaft Position Commanded Duty Cycle
CAM EDGE CNT C am s haf t Edge C ount er
CAM EDGE CNTR Camshaft Edge Counter
CAM ENG SPD Cam Engine Speed Activity
CAM ERR Camshaft Position Error
CAM INPUT HI-LOW Cam Signal Input - High To Low
CAM INPUT LOW-HI Cam Signal Input - Low To High
CAM RE-SYNC Cam Re-sy nc s Count er
CAM RETARD Cam Retard
CAM SIG PRES Cam Signal Present
CAM SIG PRESENT Cam Signal Present
CANPRG DR H Canister Purge Driver High
CANPRG DR L Canister Purge Driv er Low
CANST PURGE Canister Purge Solenoid Cont rol
CAT Catalyst Temperature or Catalyst Temperature Sensor Voltage
CAT EWM A Catalyst Test Time Differe n ce
CAT F THR Catalyst Test Fail Threshold
CAT MON Catalyst Monitor
CAT MON CT Catalyst Monitor EWMA Sam ple C ount er Bank
CAT MON CT1 Catalyst Monitor EWMA Sam ple C ount er Bank 1
CAT TEMP 11 Cat alt ic Conv ert er Temperature Bank 1, Sensor 1
CAT TEMP 12 Cat alt ic Conv ert er Temperature Bank 1, Sensor 2
CAT TEMP 21 Cat alt ic Conv ert er Temperature Bank 2, Sensor 1
CAT TEMP 22 Cat alt ic Conv ert er Temperature Bank 2, Sensor 2
CAT TEST B1 Num ber Of C atal yst Test - Bank 1
CAT1 CAL THRS Steady-state Catalyst Monitor Threshold, Bank1
CAT1 STDY ST Steady-state Catalyst Monitor, Bank1
CAT2 CAL THRS Steady-state Cataly st Mon itor Threshold, Bank 2
CAT2 STDY ST Steady-state Catalyst Monitor, Bank 2
CAT1CAL THR Steady-state Catalyst Monitor Threshold, Bank1
CAT1STDY ST Steady-state Catalyst Monitor, Bank1
CAT2STDY ST Steady-state Catalyst Monitor, Bank2
CATALYST MON Catalyst Monitor Comp l e te d This Driving Cycle
CATLST PASSED/FAILED Catalyst Test Passed / Failed
CAT MON CT1 Catalyst Monitor EWMA Sam ple C ount er Bank 1
CATMON AVG TWC Monitor Average Deviation Difference Failure Th res hold
CATMON CPLT Number Of Catalyst Monitors Test Complete
CC HOLD Cruise Control Hold Mode
CC ON/OFF SW Cruise Control On/Off Switch
CC RES/ACC SW Cruise Control Resume/A ccelerate Sw i tch
CC SERVO(%) Cruise Control Servo Position
CC SET(MPH)/(KP H) Cruise Control Set Speed
CC SET/CST SW Cruise Control Set/Coast Switch
CC SRVO REQ(%) Cruise Control Servo Position Requested
CC VACUUM SOL Cruise Control Vacuum Solenoid Control
CC VENT SOL Cruise Control Vent Solenoid Control
CCC CCC
CCP DUTY(%) See EVAP DUTY
CCP SOL Carbon Canister Purge Solenoid PW M
CCP SOLENOID See EVAP SOLENOID
CCS Coast Clutch Switch
Extended Description
10 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
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PID
CHARG GOAL (V) Charging System Goal
CHAS PITCH Powertrain Induced Ch assis Pi tch
CHK ENG LAMP See MIL
CHK ENG LIGHT See MIL
CHRG GOAL (V) Charging System Goal
CHRG TEMP(°F)/(°C) Compressed Natural Gas Temperature Sensor
CHRG TEMP(V) Comp res sed Natural Gas Temperature
CHT Cylinder Head Temperature
CKP Crankshaft Position Sensor Signal Detected
CKP ACT CNT Crankshaft Activ e Coun ter
CKP ENGINE Crankshaft Position Sensor Engine Speed
CKP LRES AG Crankshaft Posi tion Sensor Low Resolution Angle
CL SNC RESTART Clear Since Restart
CLEAR FLOOD Clear Flood Fun ction
CLNT STRT Coolant Start Temperature
CLR DST Distance Since Cleared
CLR TIM Minites Ran Since Erased
CLUTCH INT S W Clu tch Inte r l ock Switch
CLUTCH SW Clutch Pedal Switch
CLUTCH UPS SW Clutch Upstop Switch
CMD EQ RAT Comman ded Equiv alence Ratio
CMP Crankshaft Position Sensor Signal Detected
CMP/CKP RLTD ANG Camshaft To Crankshaft Rela tion ship Angle
CMP/CKP SYNC Camshaft To Crankshaft Syncronization Detected
CMP ACT CNT Camshaft Active Counter
CNG PRES Compressed Natural Gas Pressure
CNG PRES Compressed Natural Gas Pressure
CNG PRESS (PSI) Compressed Natural Gas Pressure
CNG PRESS(V) Compressed Natural Gas Pressure Sensor
CNG TEMP(°F)/(°C) Compressed Natural Gas Temperature
CNG TEMP(V) Compressed Natural Gas Temperature Sensor
CODE1 ODO Odomet er W hen 1s t Code Set Since Cleared
COLD START Cold Start Up
COMMD FAN 1 Co mmanded Fan 1
COMMD FAN 2 Co mmanded Fan 2
COMP COMP MON Comp rehens iv e Co mpo nent s Monit or Co mp lete d This Dri ving Cycle
COOLANT (°F)/(°C) Engine Coolant Temperature
COOLANT (V) Engine Coolant Temperature Sensor
COOLANT CALC Calcu late d Engine C oolant Temperature
COOLANT GAUGE Coolant Gauge
COOLANT LEVL Eng C oolant Lev el
COOLANT SW Coolant Switch
CORROSIVITY(V) Corrosivity
CPP/TCS Clutch Engaged / Overdrive Switch Pres s ed
CRANK EDGE CNT Crankshaft Edge C ount er
CRANK EDGE CNTR Cranksha ft Edge C ount er
CRANK LRND Crank sha ft Learnd
CRANK MISS Crank Ref Missed Diesel
CRANK REQ Crank Requested
CRANK SWITCH Crank Switch
CRANKING A/F Cranking Air/fuel Ratio
CRANKING(RPM) Cranking RPM
CRUISE Cruise
CRUISE CANCEL SW Speed Control Cancel
Extended Descri ptio n
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