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DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, OR P2610 >
DIAGNOSTIC INSTRUCTIONS
Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic approach.
Diagnostic Procedure Instructions provides an overview of each diagnostic category.
DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, OR P2610 > DTC
DESCRIPTORS
DTC P0601
Control Module Read Only Memory (ROM)
DTC P0602
Control Module Not Programmed
DTC P0603
Control Module Long Term Memory Reset
DTC P0604
Control Module Random Access Memory (RAM)
DTC P0606
Control Module Internal Performance
DTC P0607
Control Module Performance
DTC P060D
Control Module Accelerator Pedal Position (APP) System Performance
DTC P062F
Control Module Long Term Memory Performance
DTC P2610
Control Module Ignition Off Timer Performance
DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, OR P2610 >
CIRCUIT/SYSTEM DESCRIPTION
This diagnostic applies to internal microprocessor integrity conditions within the engine control module
(ECM) and the throttle actuator control (TAC) system. This diagnostic also addresses if the ECM is not
programmed.
The ECM monitors its ability to read and write to the memory. It also monitors a timing function. The
ECM and the TAC processors are used to monitor the TAC system data. Both processors monitor the
other processors data to verify that the indicated APP calculation is correct. The ECM performs an
intrusive test in order to confirm that the APP signals are not shorted together. The ECM accomplishes
this by pulling the APP sensor 2 low momentarily and looking for sensor 1 to also be pulled low.
YMMS: Jan 10, 2021
Engine: 3.5L Eng License:
VIN: Odometer:
2007 Chevrolet Impala LT
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DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, OR P2610 >
CONDITIONS FOR RUNNING THE DTC
P0601
The ignition switch is in Run or Crank.
The system voltage is more than 5 volts.
P0602
The ignition switch is in Run or Crank.
The controller is identified as a service replacement ECM.
P0603
The ignition switch is in Run or Crank.
The system voltage is more than 5 volts.
DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, OR P2610 >
CONDITIONS FOR RUNNING THE DTC > P0604
The ignition switch is in Run or Crank.
P0606
The ignition switch is in Run or Crank.
During test function after Key OFF before the control module powers down.
P0607
The ignition switch is in Unlock, Accessory, Run or Crank.
The system voltage is more than 5.23 volts.
DTCs P0601, P0602, P0603, P0604, P0606, P0607, P062F, P0641, P0651, P2610 are not set
P060D
The system voltage is more than 5.23 volts.
The ignition is in the Unlock, Accessory, Run, or Crank position.
DTCs P0601, P0602, P0603, P0604, P0606, P0607, P062F, P0641, P0651, P2610 are not set
P062F
The ignition switch is in Run or Crank.
The system voltage is more than 5 volts.
P2610
The ignition switch is in the OFF position for at least 1.6 seconds.
A low battery voltage or a battery disconnect condition has not taken place. Ignition OFF timer from
the previous ignition cycle is stored.
DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, OR P2610 >
CONDITIONS FOR SETTING THE DTC > P0604
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