ChassisC1123
CautionSeverity: Caution - get it checked when you can
Steering isolation valve supply circuit
Key terms: ABS: anti-lock braking, which stops the wheels locking · Stability control: helps stop the car skidding · Wheel speed sensor: measures how fast each wheel turns
1What it means in plain English
A chassis system has a fault, usually ABS, traction control or stability control, but some makes use this range for airbags, electric power steering or park brakes.
2Common causes
- Faulty wheel speed sensor
- Damaged sensor ring or wiring
- Faulty ABS module
- Low brake fluid
- Wheel bearing damage
3Can I drive?
Steering effort may increase. If the steering feels heavy or unpredictable, stop safely and have it checked.
This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.
4Brand data 21
| Brand | Code | Description | System |
|---|---|---|---|
| BAIC Motor | C1123 | Fault of rotating speed/No signal Brand | Chassis |
| Mercedes-Benz | C1123 | No description available | Chassis |
| Chery | C1123 | Vehicle speed fault Brand | Chassis |
| Daewoo | C1123 | No Vehicle Speed Signal Brand | Chassis |
| DFFS | C1123 | Vss line Brand | Chassis |
| DFXK | C1123 | No description available | Chassis |
| Geely | C1123 | Set aside Brand | Chassis |
| GM | C1123 | No description available | Chassis |
| Holden | C1123 | Right Front Dump Solenoid Valve Circuit Brand | Chassis |
| Hyundai | C1123 | No description available | Chassis |
| Isuzu | C1123 | No description available | Chassis |
| Land Rover | C1123 | Steering isolation valve supply circuit Brand | Chassis |
| Mahindra | C1123 | Solenoid OverTemp Dump Rear Right Brand | Chassis |
| Mitsubishi | C1123 | No description available | Chassis |
| Opel | C1123 | No description available | Chassis |
| Peugeot | C1123 | No description available | Chassis |
| Saab | C1123 | No description available | Chassis |
| Smart | C1123 | No description available | Chassis |
| Suzuki | C1123 | No Vehicle Speed Signal (30 Seconds or More) Brand | Chassis |
| SWM Motor | C1123 | Vehicle speed fault: After 5 minutes, the engine speed is ≥2500 rpm, the vehicle speed = 0, and the total time is 90 seconds Brand | Chassis |
| Tata | C1123 | No description available | Chassis |
Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.
5Extended variant codes 8
These 7-character codes are manufacturer-specific variants of C1123 and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | C112300 | Function 'Remote Park-Pilot' is limited. Brand | Chassis |
| Mercedes-Benz | C112304 | Function 'Remote Park-Pilot' is limited. There is an internal fault. Brand | Chassis |
| Mercedes-Benz | C112357 | Park Remote Unauthorized Access Brand | Chassis |
| Mercedes-Benz | C112382 | Park Remote SQC Brand | Chassis |
| Mercedes-Benz | C112383 | Park Remote CRC Brand | Chassis |
| Mercedes-Benz | C112387 | Park Remote Timeout Brand | Chassis |
| Mercedes-Benz | C1123E2 | ! FW_PbcFaultState_22 - EPB no release touch point found / force build up detected on left side during HAP Brand | Chassis |
| Mercedes-Benz | C1123E3 | ! FW_PbcFaultState_23 - EPB no release touch point found / force build up detected on right side during HAP Brand | Chassis |
6Related codes
Browse Cxxx codes or C112xx codes.