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

id040220801400

DTC | C1210 C1214 C1194 C1198 C1246 C1254 C1242 C1250 C1400 C1410 C1957 C1958 | 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 stability control solenoid valve LF stability control 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. • 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. (See Clearing DTCs Procedures.) • 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 THAT NO OTHER DTCS ARE PRESENT • Are any other DTCs output? | Yes | Go to the applicable DTC inspection. (See DTC Table.)
No | DTC troubleshooting completed.