ChassisC100A
CautionSeverity: Caution - get it checked when you can
Brake pedal position sensor
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?
The braking system may be affected. Have it checked promptly; if the pedal feels abnormal, the car pulls when braking, or a brake warning light is on, stop safely.
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 17
| Brand | Code | Description | System |
|---|---|---|---|
| BAIC Motor | C100A | The control unit electric error Brand | Chassis |
| BYD | C100A | Left rear TMPS ID not registered Brand | Chassis |
| Daewoo | C100A | No description available | Chassis |
| DFFS | C100A | Starter relay circuit fault Brand | Chassis |
| Geely | C100A | Control Unit Electrical Error Brand | Chassis |
| GM | C100A | No description available | Chassis |
| Great Wall | C100A | ECU drive circuit fault Brand | Chassis |
| Holden | C100A | Engine Control Module - Actual Engine Torque Signal Brand | Chassis |
| Land Rover | C100A | Brake pedal position sensor Brand | Chassis |
| Mahindra | C100A | Motor command and detected current failure Brand | Chassis |
| Maserati | C100A | No description available | Chassis |
| Mitsubishi | C100A | FL wheel speed sensor circuit Brand | Chassis |
| Opel | C100A | No description available | Chassis |
| Peugeot | C100A | No description available | Chassis |
| Proton | C100A | FL wheel speed sensor circuit Brand | Chassis |
| Saab | C100A | No description available | Chassis |
| Suzuki | C100A | Reverse Switch No.2 Malfunction Brand | 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.
5Related codes
Browse Cxxx codes or C100xx codes.