Description
OBD-II Trouble Code Description for C1194 Buick
ABS outlet valve coil LF circuit failure
Buick C1194 ABS Outlet Valve Coil LF Circuit Failure
OBD-II Trouble Code Description for C1194 Buick
DSC continuous operation fault
What does this mean?
OBD2 Code C1194 Buick 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 Buick
? 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 BuickON |
ACTION Buick |
|
|---|---|---|---|
|
1
|
VERIFY FREEZE FRAME DATA HAS BEEN RECORDE BuickD
???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 BuickY
???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 BuickON 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 BuickON IS IN COMBI BuickNED 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 BuickON 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 Buick TROUBLES BuickHOOTING IS COMPL BuickETED
???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 BuickDURE
???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 Buick
2013 Buick Verano Turbo,2013 Buick Riviera Concept,2013 Buick Encore,2013 Buick Enclave,2012 Buick Verano,2012 Buick Regal GS,2011 Buick Regal,2011 Buick LaCrosse GL Concept,2011 Buick GL8,2011 Buick Envision Concept,2010 Buick Regal GS Concept,2010 Buick LaCrosse,2009 Buick Business Concept,2008 Buick Lucerne Super,2008 Buick LaCrosse Super,2008 Buick LaCrosse CXS,2008 Buick Invicta Concept,2008 Buick Enclave,2007 Buick Riviera Concept Coupe,2006 Buick Terraza,2006 Buick Rendezvous CXL,2006 Buick Rainier CXL,2006 Buick Lucerne CXS,2006 Buick Enclave Concept,2005 Buick Terraza CXL,2005 Buick Royaum,2005 Buick Rendezvous CX,2005 Buick Park Avenue,2005 Buick LeSabre Celebration Edition,2005 Buick LaCrosse CXS,2005 Buick LaCrosse CSX,2005 Buick Century,2004 Buick Velite Concept,2004 Buick Rendezvous Ultra,2004 Buick Regal Abboud GS,2004 Buick Rainier,2004 Buick Park Avenue Ultra,2003 Buick Rendezvous,2003 Buick Park Avenue Ultra,2002 Buick Rendezvous,2002 Buick Regal,2002 Buick LeSabre Custom,2001 Buick Regal,2001 Buick Park Avenue Ultra,2001 Buick Park Avenue,2001 Buick LeSabre,2001 Buick Blackhawk Concept,2001 Buick 2-2 Bengal Roadster Concept,2000 Buick Regal GNX Show Car,2000 Buick Regal Cielo Concept,2000 Buick Regal,2000 Buick Park Avenue,2000 Buick LeSabre Limited,2000 Buick Century
Note:
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