ChassisC00A7

Caution

Severity: Caution - get it checked when you can

Engine Cold Start. Coolant Fluid. Bypass Valve. (C Solenoid Valve.) Operation Failure

13 brands affected · Description from Ashok Leyland CV data.

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

Safety: This code relates to engine cooling or temperature. Overheating can damage the engine.

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?

Caution · drive with care

Watch the temperature gauge. Stop safely and let the engine cool if the gauge climbs, steam appears, or a red warning light comes 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 13

Brand	Code	Description	System
Ashok Leyland CV	C00A7	Engine Cold Start. Coolant Fluid. Bypass Valve. (C Solenoid Valve.) Operation Failure Brand	Chassis
Chery	C00A7	Right rear wheel speed sensor circuit short Brand	Chassis
Daewoo	C00A7	No description available	Chassis
DFFS	C00A7	Right rear wheel speed sensor: circuit short to power Brand	Chassis
DFXK	C00A7	Rear right wheel speed sensor: short to battery Brand	Chassis
EOBD	C00A7	4WD/AWD jaotuskastiseadme asenditunduri 'A' Brand	Chassis
GM	C00A7	No description available	Chassis
Great Wall	C00A7	Rear right wheel speed sensor circuit, short to battery Brand	Chassis
Holden	C00A7	Right Rear Wheel Speed Sensor Circuit High Input Brand	Chassis
Opel	C00A7	No description available	Chassis
Peugeot	C00A7	No description available	Chassis
Saab	C00A7	No description available	Chassis
MG (SAIC)	C00A7	RHR Wheel Speed Sensor Circuit Short to Ubatt 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.

5Extended variant codes 1

These 7-character codes are manufacturer-specific variants of C00A7 and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	C00A754	Four Wheel Drive (4WD) Clutch 'A' position search not performed Brand	Chassis

6Related codes

Browse Cxxx codes or C00Axx codes.