Category: OBDii Powertrain Codes

P0611 Fuel Injector Control Module Performance Possible causes – Faulty Fuel Injector Control Module– Fuel Injector Control Module harness is open or shorted– Fuel Injector Control Module circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0611 Description The ECM has not received a signal from the fuel injector…

P0612 Fuel Injector Control Module Relay Control OBD Code: System: Subsystem:  P0612 – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: Fuel Injector Control Module Relay Control Location: Analysis: Possible Causes:  Relay Control Circuit     Tech description:

P0613 Transaxle Control Module System Fault Possible causes – Faulty Transmission Control Module (TCM)– Transmission Control Module harness is open or shorted– Transmission Control Module circuit ppor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0613 Description The Engine Control Module (ECM) has detected an internal failure in the Transmission…

P0614 ECM processor failure Possible causes – Faulty Engine Control Module (ECM)– Faulty Engine Control Module (ECM) harness is open or shorted– Faulty Engine Control Module (ECM) circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0615 Start Signal Circuit Possible causes – Park/neutral position (PNP) relay (starter relay)– Park/neutral position (PNP) relay (starter relay) harness is open or shorted– Park/neutral position (PNP) relay (starter relay) circuit poor electrical connection– Faulty Transmission Control Module (TCM) What about the obd code? The P0615 codes is detected when park/neutral (PNP) relay (starter relay)…

P0609 Control Module VSS Output B Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0605 EEPROM Fault Possible causes – Engine Control Module (ECM) may be faulty– ECM harness power supply circuit is open or shorted– ECM harness ground circuit is open or shorted Tech description Check the ECM fuse, if fuse is OK try erasing the code first and if the code comes back you may have to…

P0606 ECM Processor Failure Possible causes – Engine Control Module (ECM) Harness power supply circuit is open or shorted– Engine Control Module (ECM) Programming– Faulty Engine Control Module (ECM) Tech description Check the ECM fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram…

P0607 Control Module Performance Possible causes – Faulty Engine Control Module (ECM)– Engine Control Module (ECM) Harness power supply circuit is open or shorted– Engine Control Module (ECM) Programming Tech description Check the ECM fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram…

P0608 Vehicle Speed Output Circuit Possible causes – Faulty Vehicle Speed Sensor– Vehicle Speed Sensor harness is open or shorted– Vehicle Speed Sensor circuit poor electrical connection What about the obd code? If the fault detection circuit senses a voltage other than what is expected, the fault line status changes causing the P0608 to set….

P0596 Speed Control Servo Control Circuit High Possible causes – Faulty Servo Motor– Servo Motor harness is open or shorted– Servo Motor circuit poor electrical connection What about the obd code? Open or shorted condition in the cruise control servo circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0597 Thermostat Heater Control Circuit Open Possible causes – Failed Engine Cooling Thermostat– Engine Cooling Thermostat harness is open or shorted– Engine Cooling Thermostat circuit poor electrical connection Tech description If there are not coolant system leaks, replaced the thermostat to fix the problem. What about the obd code? The P0597 is triggered when there…

P0598 Thermostat Heater Control Circuit Low Possible causes – Failed Engine Cooling Thermostat– Engine Cooling Thermostat harness is open or shorted– Engine Cooling Thermostat circuit poor electrical connection Tech description If there are not coolant system leaks, replaced the thermostat to fix the problem. What about the obd code? The P0598 is triggered when there…

P0599 Thermostat Heater Control Circuit High Possible causes – Failed Engine Cooling Thermostat– Engine Cooling Thermostat harness is open or shorted– Engine Cooling Thermostat circuit poor electrical connection Tech description If there are not coolant system leaks, replaced the thermostat to fix the problem. What about the obd code? The P0598 is triggered when there…

P0600 A/T Control Serial Communication Link Malfunction Possible causes – The circuit between ECM and A/T control unit is open or shorted– Faulty Engine control Module (ECM)– Engine control Module(ECM) harness is open or shorted– Engine control Module (ECM) cicuit poor electricl connection– Faulty Automatic Transmission Module (TCM)– Low battery voltage– Automatic Transmission Module (TCM)…

P0601 ECM Self Check Fault Possible causes – Faulty Engine control Module (ECM)– Engine control Module(ECM) harness is open or shorted– Engine control Module (ECM) cicuit poor electricl connection– Low battery voltage What about the obd code? The MIL will turn off on its own after four consecutive ignition cycle in which the diagnostic runs…

P0602 Powertrain Control Module Programming Error Possible causes – Powertrain Control Module (PCM) not programed– PCM program– Faulty PCM– Wrong PCM Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0602 Description This diagnostic trouble code (DTC) indicates that the Powertrain Control Module (PCM) internal EEPROM is not flashed with any vehicle software….