Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 41 (ANTI-LOCK BRAKE SYSTEM, TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC C0186DIAGNOSTIC FAULT INFORMATION
2008 Chevrolet HHR LT, 2.4 P, Automatic
Diagnostic Fault Information
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Diagnostic Fault Information
WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Ignition Voltage | C0186 00 | C0186 00 | - | C0186 5A, C0186 3B, C0186 1A |
| Low Reference | C0186 00 | C0186 00 | C0186 00 | C0186 5A, C0186 3B, C0186 1A |
| CAN Bus High Serial Data | C0186 00 | C0186 00 | C0186 00 | C0186 5A, C0186 3B, C0186 1A |
| CAN Bus Low Serial Data | C0186 00 | C0186 00 | C0186 00 | C0186 5A, C0186 3B, C0186 1A |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.