ChassisC1040
SeriousSeverity: Serious - have it checked soon
Electric vacuum pump: Voltage on feedback line too low
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?
Have it checked immediately: brakes or brake assistance may be affected. Do not drive if the pedal feels soft or hard, the car pulls when braking, or the brake warning light is on.
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 16
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | C1040 | No description available | Chassis |
| BMW | C1040 | Electric vacuum pump: Voltage on feedback line too low Brand | Chassis |
| DFFS | C1040 | System enters thermal protection Brand | Chassis |
| Holden | C1040 | No description available | Chassis |
| Honda | C1040 | No description available | Chassis |
| Land Rover | C1040 | No description available | Chassis |
| Mahindra | C1040 | Brake Switch failure Brand | Chassis |
| Maserati | C1040 | No description available | Chassis |
| Mitsubishi | C1040 | No description available | Chassis |
| Peugeot | C1040 | No description available | Chassis |
| Proton | C1040 | No description available | Chassis |
| MG (SAIC) | C1040 | Wheel Speed Sensor front Right - Electrical Brand | Chassis |
| Smart | C1040 | No description available | Chassis |
| Sprinter | C1040 | No description available | Chassis |
| Suzuki | C1040 | Stability control system function failure Brand | Chassis |
| Tata | C1040 | 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 1
These 7-character codes are manufacturer-specific variants of C1040 and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| SsangYong | C104087 | CAN communication: Front Radar Module (FRM) communication error - timeout Brand | Chassis |
6Related codes
Browse Cxxx codes or C104xx codes.