Alfa Romeo C1194 ABS Outlet Valve Coil LF Circuit Failure

Description

OBD-II Trouble Code Description for C1194 Alfa Romeo

ABS outlet valve coil LF circuit failure

OBD-II Trouble Code Description for C1194 Alfa Romeo

DSC continuous operation fault

What does this mean?

OBD2 Code C1194 Alfa Romeo 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 Alfa Romeo
? 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 Alfa RomeoON

ACTION Alfa Romeo

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDE Alfa RomeoD
???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 Alfa RomeoY
???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 Alfa RomeoON IS IN ABS WHEEL SPEED SIGNALS OR ELSEWHERE
???Access the following ABS wheel speed sensor (DSC) related PIDs using the M-MDS.
¨D??LF_WSPD
¨D??LR_WSPD
¨D??RF_WSPD
¨D??RR_WSPD
???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 Alfa RomeoON IS IN COMBI Alfa RomeoNED SENSOR SIGNALS OR ELSEWHERE
???Access the following combined sensors (DSC) related PIDs using the M-MDS.
¨D??YAW_RATE
¨D??LAT_ACC
???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 Alfa RomeoON IS IN STEERING ANGLE SIGNAL OR ELSEWHERE
???Access the following steering angle sensor (DSC) related PID using the M-MDS.
¨D??SWA_POS
???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 Alfa Romeo TROUBLES Alfa RomeoHOOTING IS COMPL Alfa RomeoETED
???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 Alfa RomeoDURE
???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 Alfa Romeo:

2014 Alfa Romeo MiTo new,,2014 Alfa Romeo Giulietta new,,2014 Alfa Romeo 4C,,2013 Alfa Romeo Gloria Concept,,2013 Alfa Romeo Disco Volante Touring,,2012 Alfa Romeo Disco Volante Touring Concept,,2011 Alfa Romeo TZ3 Stradale,,2011 Alfa Romeo Giulietta,,2011 Alfa Romeo 4C Concept,,2010 Alfa Romeo TZ3 Corsa,,2010 Alfa Romeo Pandion Concept,,2010 Alfa Romeo MiTo Quadrifoglio Verde,,2010 Alfa Romeo MiTo 1.4 MultiAir,,2010 Alfa Romeo 2uettottanta Concept,,2010 Alfa Romeo 159 1750 TBi,,2009 Alfa Romeo MiTo UK Version,,2009 Alfa Romeo MiTo GTA Concept,,2009 Alfa Romeo Mi.To,,2009 Alfa Romeo Brera S,,2009 Alfa Romeo 8C Spider,,2009 Alfa Romeo 159 Sportwagon,,2009 Alfa Romeo 159,,2007 Alfa Romeo GT Q2,,2007 Alfa Romeo 8c Competizione,,2007 Alfa Romeo 147 Q2,,2007 Alfa Romeo 147 Murphy and Nye,,2007 Alfa Romeo 147 CnC,,2006 Alfa Romeo Spider UK Version,,2006 Alfa Romeo Spider,,2006 Alfa Romeo 159 Sportwagon,,2005 Alfa Romeo Brera UK Version,,2005 Alfa Romeo Brera,,2005 Alfa Romeo 159,,2004 Alfa Romeo Visconti Concept ItalDesign,,2004 Alfa Romeo 8C Competizione,,2004 Alfa Romeo 166,,2004 Alfa Romeo 156 GTA Autodelta,,2004 Alfa Romeo 156 Crosswagon Q4,,2004 Alfa Romeo 156 Crosswagon,,2004 Alfa Romeo 147 5door,,2004 Alfa Romeo 147 3door,,2003 Alfa Romeo Spider,,2003 Alfa Romeo Kamal Concept,,2003 Alfa Romeo GTV,,2003 Alfa Romeo GT,,2003 Alfa Romeo 156 Sportwagon 2.0 JTD,,2003 Alfa Romeo 156 GTA Autodelta,,2003 Alfa Romeo 156 2.4 JTD,,2003 Alfa Romeo 147 TI,,2002 Alfa Romeo 147 JTD 16V,,2002 Alfa Romeo 147 GTA

Note:

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