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Chassis

C1118

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Manufacturer communications

2

Original wording in English

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PIT5449 ↗

CHEVROLET, GMC

This Preliminary Information communication provides information to the technician for a service trailer brake message on in the vehicle. The technician will find diagnostic trouble codes C1115, C1116, C1117, or C1118. In most cases the chassis control module is not the cause of the trouble codes. The technician should inspect th…

PIT-4900A ↗

CHEVROLET, GMC

CHEVROLET/GMC: SERVICE TRAILER BRAKE MESSAGE WITH DTC(S) C1115, C1116, C1117, AND/OR C1118 (INSPECT WIRING NEAR PARKING BRAKE PEDAL). THIS CONCERN MAY BE VERY INTERMITTENT AND CAN OCCUR WITH OR WITHOUT A TRAILER CONNECTED TO TRUCK. *PE

Check vehicle applicability

32

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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MakeModelModel year
ChevroletAVALANCHE ↗2010
ChevroletAVALANCHE ↗2009
ChevroletAVALANCHE ↗Year unknown
ChevroletAVALANCHE 1500 ↗2011
ChevroletSILVERADO ↗2010
ChevroletSILVERADO ↗2009
ChevroletSILVERADO ↗2008
ChevroletSILVERADO ↗2007

Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.