Fault code lookup

ChassisC1387

Caution

Severity: Caution - get it checked when you can

Speed sensor signal failure

22 brands affected · Description from Toyota 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

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

  1. Faulty wheel speed sensor
  2. Damaged sensor ring or wiring
  3. Faulty ABS module
  4. Low brake fluid
  5. Wheel bearing damage

3Can I drive?

Caution · drive with care

If the code names an airbag or SRS system, the airbag may not deploy in a crash: have it diagnosed promptly. If it names electric power steering, the assist may fail and the steering can become heavy: stop safely if that happens. If it names the brakes or park brake, have it checked before driving when braking feels abnormal. Otherwise ABS and stability control may be disabled: drive carefully, especially in wet conditions, and have it checked soon.

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 22

BrandCodeDescriptionSystem
BYDC1387Lateral G sensor/G performance BrandChassis
CheryC1387Lateral G sensor/G performance BrandChassis
DaewooC1387No description available Chassis
DaihatsuC1387ESS release point fine tuning SW on stuck BrandChassis
DFFSC1387Speed sensor signal failure BrandChassis
DFFXC1387Lateral G sensor/G performance BrandChassis
GeelyC1387Lateral G sensor/G performance BrandChassis
GMC1387No description available Chassis
Great WallC1387Lateral G sensor/G performance BrandChassis
HafeiC1387Lateral G sensor/G performance BrandChassis
HoldenC1387Wheel Speed Sensors Circuits BrandChassis
HyundaiC1387No description available Chassis
MitsubishiC1387Lateral G sensor/G performance BrandChassis
OpelC1387No description available Chassis
PeroduaC1387ESS release point fine tuning SW on stuck BrandChassis
PeugeotC1387No description available Chassis
ProtonC1387Lateral G sensor/G performance BrandChassis
SaabC1387No description available Chassis
MG (SAIC)C1387performance deterioration of the lateral G Sensor BrandChassis
SmartC1387No description available Chassis
SuzukiC1387No description available Chassis
ToyotaC1387Speed sensor signal failure BrandChassis

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 C138xx codes.

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