Control module and output signals

WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

DTC	Error Message	Diagnostic Procedure	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL Illum
P0600	Serial Communication Link	Eliminate malfunction in Can-bus components according to the wiring diagram → Electrical Wiring Diagrams, Troubleshooting and Component Locations	CAN Bus no message		0.51 Seconds	Continuous 2 DCY
P0601	Internal Control Module Memory Check Sum Error	Replace the Engine Control Module (ECM) J623. Refer to → Engine Control Module (ECM) J623 , Removing and Installing .	Internal check sum, incorrect		2 Seconds	Once/DCY 2 DCY
P0603	Internal Control Module Keep Alive Memory (KAM) Error	Replace the Engine Control Module (ECM) J623. Refer to → Engine Control Module (ECM) J623 , Removing and Installing .	SPI communication-lost		1.5 Seconds	Once/DCY 2 DCY
P0604	Internal Control Module Random Access Memory (RAM) Error	Replace the Engine Control Module (ECM) J623. Refer to → Engine Control Module (ECM) J623 , Removing and Installing .	Write ability check, failed Check, Failed SW verify of EEPROM emulation Negative		2 Seconds 0 Seconds	Once/DCY 2 DCY Continuous 2 DCY
P0605	Internal Control Module Read Only Memory (ROM) Error	Replace the Engine Control Module (ECM) J623. Refer to → Engine Control Module (ECM) J623 , Removing and Installing .	ROM Check, failed		2 Seconds	Once/DCY 2 DCY Continuous 2 DCY
P0606	ECM/PCM Processor	Replace the Engine Control Module (ECM) J623. Refer to → Engine Control Module (ECM) J623 , Removing and Installing .	SPI communication lost Signal voltage 4.5 V Signal voltage 0.5 V Boost voltage-30 or 75 V EEPROM check-failed Drive by wire module check-failed Engine torque-out of range Engine operation-out of range CAN bus no message		10 ms 2 Seconds 0.2 Seconds 2 Seconds 0.51 Seconds	Continuous 2 DCY Once/DCY 2 DCY Continuous 2 DCY
P0607	Control Module Performance	Replace the Engine Control Module (ECM) J623. Refer to → Engine Control Module (ECM) J623 , Removing and Installing .	SW functions actuating solenoid valves colliding of 2 substitute functions same priority driven solenoid valves have short circuit to supply or interruption		0.02 Seconds	Continuous 2 DCY
P060A	Watchdog	Replace the Engine Control Module (ECM) J623. Refer to → Engine Control Module (ECM) J623 , Removing and Installing .	Check Failed CAN Feedback, Incorrect	CAN Bus, Status OK	0 Seconds 0.2 Seconds	Continuous 2 DCY
P0613	TCM Processor	Replace the Transmission Control Module (TCM) J217. Refer to → Transmission Control Module (TCM) J217 , Replacing .	Check Failed		0 Seconds	Continuous 2 DCY
P0614	ECM/TCM Incompatible	Replace the Engine Control Module (ECM) J623. Refer to → Engine Control Module (ECM) J623 , Removing and Installing . Replace the Transmission Control Module (TCM) J217. Refer to → Transmission Control Module (TCM) J217 , Replacing .	CAN level engine does not fit to CAN level transmission	CAN Bus, No error and ready to transmit Ignition, Status on	0 Seconds	Continuous 2 DCY
P0634	PCM/ECM/TCM Internal Temperature Too High	Replace the Engine Control Module (ECM) J623. Refer to → Engine Control Module (ECM) J623 , Removing and Installing . Replace the Transmission Control Module (TCM) J217. Refer to → Transmission Control Module (TCM) J217 , Replacing .	Maximum TCU temperature dependent on battery voltage V		1.5 Seconds	Continuous 2 DCY
P0638	Throttle Actuator Control Range/Performance - Bank 1	Check the Throttle Valve Control Module J338. Refer to → Throttle Valve Control Module J338 , Checking . Check the Throttle Position (TP) Sensor G79/Accelerator Pedal Position Sensor 2 G185. Refer to → Throttle Position (TP) Sensor G79/Accelerator Pedal Position Sensor 2 G185 , Checking .	Duty cycle>0.4 sec. at >98 ° Actual TPS ref point 1.5 ° Open to 15°>1.275 sec. Then close to ref. point->1.28 sec. Gradient- 7 °/s Close to 1.99°>1.275 sec. Then open to ref. point >1.28 sec. Gradient 7 °/s TPS 1 signal voltage 0.208 - 0.852 V OR TPS 2 signal voltage 4.158 - 4.802 V	Engine start- not active ECT- 6 - 105°C IAT- >5°C Engine speed- 320 rpm Vehicle speed- 1 mph	0.45 Seconds	Continuous 2 DCY
P0641	Sensor Reference Voltage A Circuit/Open	Check the Transmission Control Module (TCM) J217 voltage supply. Refer to → Transmission Control Module (TCM) J217 , Voltage Supply, Checking .	Sensor supply voltage to high >10 V	Battery voltage, >6.51 + 1.3 V	0.1 Second	Continuous 2 DCY
P0642	Sensor Reference Voltage A Circuit Low	Check the Transmission Control Module (TCM) J217 voltage supply. Refer to → Transmission Control Module (TCM) J217 , Voltage Supply, Checking .	Short to ground 4.898 V Sensor supply voltage to low 6.51 V	Battery voltage, >6.51 + 1.3 V	2 Seconds 0.1 Second	Continuous 2 DCY
P0643	Sensor Reference Voltage A Circuit High	Replace the Engine Control Module (ECM) J623. Refer to → Engine Control Module (ECM) J623 , Removing and Installing .	Short to battery + >5.102 V		2 Seconds	Continuous 2 DCY
P0652	Sensor Reference Voltage B Circuit Low	Replace the Engine Control Module (ECM) J623. Refer to → Engine Control Module (ECM) J623 , Removing and Installing .	Short to ground 4.898 V		2 Seconds	Continuous 2 DCY
P0653	Sensor Reference Voltage B Circuit High	Replace the Engine Control Module (ECM) J623. Refer to → Engine Control Module (ECM) J623 , Removing and Installing .	Short to battery + >5.102 V		2 Seconds	Continuous 2 DCY
P0657	Actuator Supply Voltage A Circuit/Open	Check the Engine Control Module (ECM) Power Supply Relay J271. Refer to → Engine Control Module (ECM) J623 Voltage Supply, Checking .	Signal voltage >0.8 mA	Relay, commanded on	1.5 Seconds	Continuous 2 DCY
P0658	Actuator Supply Voltage A Circuit Low	Check the Engine Control Module (ECM) Power Supply Relay J271. Refer to → Engine Control Module (ECM) J623 Voltage Supply, Checking .	Signal voltage >3.2 V	Relay, commanded off	1.5 Seconds	Continuous 2 DCY
P0659	Supply voltage for engine components to large	Check the Engine Control Module (ECM) Power Supply Relay J271. Refer to → Engine Control Module (ECM) J623 Voltage Supply, Checking .	Signal current >1 A	Engine relay, commanded off	1.5 Seconds	Continuous 2 DCY
P0686	ECM/PCM Power Relay Control Circuit Low	Check the Engine Control Module (ECM) Power Supply Relay J271. Refer to → Engine Control Module (ECM) J623 Voltage Supply, Checking .	Sense voltage >4.0 V	Main relay, commanded off	0.1 Second	Once/DCY 2 DCY
P0687	ECM/PCM Power Relay Control Circuit High	Check the Engine Control Module (ECM) Power Supply Relay J271. Refer to → Engine Control Module (ECM) J623 Voltage Supply, Checking .	Sense voltage 6.0 V	Main relay, commanded on	0.1 Second	Continuous 2 DCY