Diagnostic Code Index

2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Diagnostic Code Index
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.
DIAGNOSTIC CODE INDEX

DTC Description
DTC B1480  B1480 00: Battery Rundown Protection Circuit
DTC B2530  B2530 02: Front Fog Lamps Control Circuit Short to Ground
B2530 05: Front Fog Lamps Control Circuit Short to Battery or Open
DTC B2555  B2555 05: Passenger Compartment Lamp Control Circuit Short to Battery or Open
DTC B2580  B2580 01: Headlamp High Beam Control Circuit Short to Battery
B2580 06: Headlamp High Beam Control Circuit Short to Ground or Open
DTC B2625  B2625 02: Display Dimming Pulse Width Modulation (PWM) Output Circuit Short to Ground
DTC B2645  B2645 02: Ambient Light Sensor Circuit Short to Ground
B2645 05: Ambient Light Sensor Circuit Short to Battery or Open
DTC B3903  B3903 02: Stop Lamp Relay Circuit Short to Ground
B3903 05: Stop Lamp Relay Circuit Short to Battery or Open
DTC B3948 or B3949  B3948 02: Left Front Turn Signal Circuit Short to Ground
B3948 05: Left Front Turn Signal Circuit Short to Battery or Open
B3949 02: Right Front Turn Signal Circuit Short to Ground
B3949 05: Right Front Turn Signal Circuit Short to Battery or Open
DTC B3950 or B3951  B3950 02: Left Rear Turn Signal Circuit Short to Ground
B3950 05: Left Rear Turn Signal Circuit Short to Battery or Open
B3951 02: Right Rear Turn Signal Circuit Short to Ground
B3951 05: Right Rear Turn Signal Circuit Short to Battery or Open
DTC C0277  C0277 06: Brake Pedal Position Sensor Circuit Short to Ground or Open
C0277 07: Brake Pedal Position Sensor Circuit Voltage Above Threshold
C0277 09: Brake Pedal Position Sensor Circuit Rate of Change Above Threshold
DTC C0278  C0278 00: Brake Pedal Position Sensor Not Calibrated
DTC C0870  C0870 03: Device Voltage Reference Output 1 Circuit Voltage Below Threshold
C0870 07: Device Voltage Reference Output 1 Circuit Voltage Above Threshold
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.