Description
OBD-II Trouble Code Description for C1194 Porsche
ABS outlet valve coil LF circuit failure
Porsche C1194 ABS Outlet Valve Coil LF Circuit Failure
OBD-II Trouble Code Description for C1194 Porsche
DSC continuous operation fault
What does this mean?
OBD2 Code C1194 Porsche definition:
? The PCM receives DSC operation signals from DSC CM while the engine switch is turned to the ON position. If the PCM receives DSC operation signals for longer than the specified time, the PCM determines that the DSC is operating continuously. Note ? The DSC CM stops operating itself for protection heat to the solenoid and/or motor (built in DSC HU) if the DSC operates for a long time.
Causes
Possible causes of OBD code C1194 Porsche
? Communication error between DSC CM and PCM ? DSC CM does not determine vehicle conditions correctly. ¨D DSC CM malfunction ¨D DSC related sensor malfunction ? The vehicle runs under the road conditions in which DSC operates for a long time. ? PCM malfunction
Possible Solutions
Diagnostic procedure
|
STEP |
INSPECTI PorscheON |
ACTION Porsche |
|
|---|---|---|---|
|
1
|
VERIFY FREEZE FRAME DATA HAS BEEN RECORDE PorscheD
???Has the FREEZE FRAME DATA been recorded?
|
Yes
|
Go to the next step.
|
|
No
|
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
|
||
|
2
|
VERIFY RELATED REPAIR INFORMATION AVAILABILIT PorscheY
???Verify related service repair information availability.
???Is any related repair information available?
|
Yes
|
Perform repair or diagnosis according to the available repair information.
If the vehicle is not repaired, go to the next step.
|
|
No
|
Go to the next step.
|
||
|
3
|
VERIFY DSC CM DTC IS RETRIEVED
???Retrieve the DSC CM DTC using the M-MDS.
???Is any DSC CM DTC retrieved?
|
Yes
|
Go to the applicable DTC troubleshooting procedure.
|
|
No
|
Go to the next step.
|
||
|
4
|
INSPECT IF MALFUNCTI PorscheON IS IN ABS WHEEL SPEED SIGNALS OR ELSEWHERE
???Access the following ABS wheel speed sensor (DSC) related PIDs using the M-MDS.
???Drive the vehicle on a straight and flat road.
???Are there almost the same as the PIDs value of four wheels?
|
Yes
|
Go to the next step.
|
|
No
|
Inspect the ABS wheel speed sensor, sensor rotor and related wiring harnesses.
Service as necessary.
Then go to Step 7.
|
||
|
5
|
INSPECT IF MALFUNCTI PorscheON IS IN COMBI PorscheNED SENSOR SIGNALS OR ELSEWHERE
???Access the following combined sensors (DSC) related PIDs using the M-MDS.
???Drive the vehicle on a straight and flat road.
???Are the PIDs values of each combined sensor signal correct?
|
Yes
|
Go to the next step.
|
|
No
|
Inspect the combined sensor and related wiring harnesses.
Service as necessary.
Then go to Step 7.
|
||
|
6
|
INSPECT WHERE MALFUNCTI PorscheON IS IN STEERING ANGLE SIGNAL OR ELSEWHERE
???Access the following steering angle sensor (DSC) related PID using the M-MDS.
???Drive the vehicle on a straight and flat road.
???Is the PID value correct?
|
Yes
|
Go to the next step.
|
|
No
|
Inspect the steering angle sensor and related wiring harnesses.
Service if necessary.
Then go to the next step.
|
||
|
7
|
VERIFY THAT DTC C1194 Porsche TROUBLES PorscheHOOTING IS COMPL PorscheETED
???Make sure to reconnect all disconnected connectors.
???Clear the DTC from the PCM memory using the M-MDS.
???Run the vehicle under the FREEZE FRAME DATA stored condition.
???Is the same DTC present?
|
Yes
|
Replace the PCM, then go to the next step.
|
|
No
|
Go to the next step.
|
||
|
8
|
VERIFY AFTER REPAIR PROCE PorscheDURE
???Perform the after repair procedure.
???Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
|
|
No
|
DTC troubleshooting completed.
|
||
The OBD2 Code Information Be Applicable For Porsche:
2013 Porsche Cayenne,2013 Porsche Boxster S,2013 Porsche Boxster,2013 Porsche 911,2012 Porsche Panamera,2012 Porsche 911,2011 Porsche 911,2010 Porsche Panamera,2010 Porsche Cayenne,2010 Porsche 911 GT3,2009 Porsche 911,2008 Porsche Cayenne,2008 Porsche Boxster,2008 Porsche 911,2007 Porsche Cayman,2007 Porsche Cayman,2007 Porsche Boxster,2007 Porsche Boxster,2007 Porsche 911,2006 Porsche 911,2005 Porsche Boxster S,2005 Porsche Boxster,2005 Porsche 911,2004 Porsche 911,2003 Porsche 911
Note:
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