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 98 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM & NAVIGATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B2455CONDITIONS FOR SETTING THE DTC
2008 Chevrolet HHR LT, 2.4 P, Automatic
Conditions for Setting the DTC
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Conditions for Setting the DTC
WARNING: This page is about a different car, the 2009 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.
- The CIM detects an open, short to ground or short to voltage in the cellular microphone signal circuit for 10 seconds or greater.
- The CIM detects an open/high resistance in the drain wire circuit for 10 seconds or greater.
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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.