DTC C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254, C1400, C1410, C1957, C1958 [DYNAMIC STABILITY CONTROL]

id040220801400

DTC

C 1210

C 1214

C 1194

C 1198

C 1246

C 1254

C 1242

C 1250

C 1400

C 1410

C 1957

C 1958

RF pressure reduction solenoid valve

RF pressure retention solenoid valve

LF pressure reduction solenoid valve

LF pressure retention solenoid valve

RR pressure reduction solenoid valve

RR pressure retention solenoid valve

LR pressure reduction solenoid valve

LR pressure reduction solenoid valve

RF traction switch solenoid valve

LF traction switch solenoid valve

RF DSC switch solenoid valve

LF DSC switch solenoid valve

DETECTION CONDITION

• Solenoid monitor signal does not track in response to solenoid ON/OFF command.

POSSIBLE CAUSE

• Stuck solenoid valve in DSC HU/CM

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY SOLENOID VALVE OPERATION
• Turn ignition key to OFF.
• Remove SST (adapter harness) and connect all disconnected connectors.
• Connect WDS or equivalent to DLC-2.
• Turn ignition key to ON (engine OFF).
• Access solenoid valve(s) PIDs using WDS or equivalent.
• Does solenoid valve operate?
Yes
Go to next step.
No
Repair DSC HU/CM, then go to next step.
2
VERIFY TROUBLESHOOTING COMPLETED
• Clear DTC from memory.
• Start engine and drive vehicle at 10 km/h {6.2 mph} or above.
• Gradually slow down and stop vehicle.
• Is the same DTC present?
Yes
Replace DSC HU/CM, then go to next step.
No
Go to next step.
3
VERIFY AFTER REPAIR PROCEDURE
• Is there any other DTC present?
Yes
Go to applicable DTC inspection.
No
Troubleshooting completed.