ChassisC1817

Caution

Severity: Caution - get it checked when you can

Electronic Park Brake (EPB) Function Lamp Circuit Open

2 brands affected · Description from MG (SAIC) 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 the braking system. Have braking checked promptly.

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

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 2

Brand	Code	Description	System
Hyundai	C1817	No description available	Chassis
MG (SAIC)	C1817	Electronic Park Brake (EPB) Function Lamp Circuit Open 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 2

These 7-character codes are manufacturer-specific variants of C1817 and may be reported by some scan tools.

Brand	Code	Description	System
Hyundai	C181708	The SCC Module sets DTC when CGW CAN error message is detected Brand	Chassis
Hyundai	C181787	The EMS messages received from CGW are used by the BSD system. If no message is received from CGW (gateway), BSD ECU sets DTC Brand	Chassis

6Related codes

Browse Cxxx codes or C181xx codes.