Volvo FH12 with engine D12A - fault codes
https://pdfmanual4trucks.jimdo.com/volvo/
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Description |
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Cause and reaction. |
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Accelerator pedal |
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Accelerator pedal sensor is defective or damaged wiring between the |
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11 |
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motor control unit and foot pedal. Incomplete pressing the accelerator |
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sensor. |
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pedal may have a sharp increase in engine speed. |
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Idling speed |
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Accelerator pedal sensor is defective or damaged wiring between the |
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12 |
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motor control unit and foot pedal. The accelerator pedal is not |
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switch pedal. |
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responding to pressing. |
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13 |
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Vehicle speed |
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Damaged wiring, faulty dash, faulty Tachograph. Cruise control does not |
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signal. |
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work until the fault code is active. |
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Power relay |
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14 |
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engine control |
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The relay is defective or damaged wiring. |
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unit. |
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Internal |
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21 |
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malfunction of the |
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Defective engine control unit. Cruise control does not work. |
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engine control |
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unit. |
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A programming |
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Not programmed or programmed with a buggy engine control |
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22 |
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error in the engine |
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unit. Engine will not start. |
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control unit. |
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Coolant |
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The sensor may be faulty, damaged wiring, water pump works with |
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23 |
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temperature |
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incomplete effectiveness, crammed with honeycomb radiator or |
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sensor. |
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defective thermostat. |
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The sensor may be faulty, damaged wiring, clogged honeycomb |
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intercooler (an intercooler), mechanical failure of the engine. At |
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24 |
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Charge air |
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temperatures above 91° air discharge with "Check Engine" lamp will |
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temperature. |
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light up continuously when the engine power will be reduced. In the |
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event of a fault in the wiring harness or defective sensor "Check Engine" |
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lamp will blink. |
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Charge air |
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The sensor may be faulty, damaged wiring, defective, damaged or |
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25 |
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clogged the turbocharger intercooler cooler, mechanical failure of the |
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pressure. |
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engine.Reduced engine power increased the toxicity of exhaust gases. |
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Faulty speed sensor camshaft, damaged wiring, broken synchronization |
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Speed sensor |
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between signals from speed sensor camshaft and crankshaft sensor. In |
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26 |
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case of violation of synchronization will be active codes 26 and 27 at |
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camshaft. |
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the same time.Engine runs for a long time or may not start for the first |
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time. |
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Faulty speed sensor, crankshaft damaged wiring, broken synchronization |
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Speed sensor the |
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between signals from speed sensor camshaft and crankshaft sensor. In |
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27 |
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case of violation of synchronization will be active codes 26 and 27 at |
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crankshaft. |
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the same time.Engine runs for a long time or may not start for the first |
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time. |
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Pump-injector |
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Defective pump-injector, damaged wiring between the motor and the |
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31 |
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control unit pump-injector, mechanical failure in the engine. Engine is |
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cylinder No. 1. |
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not exactly possible increased exhaust gas smokiness. |
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Pump-injector |
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Defective pump-injector, damaged wiring between the motor and the |
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32 |
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control unit pump-injector, mechanical failure in the engine. Engine is |
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cylinder No. 2. |
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not exactly possible increased exhaust gas smokiness. |
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https://pdfmanual4trucks.jimdo.com/volvo/
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