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HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 49 (DATA COMMUNICATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B1000DTC DESCRIPTORS
2008 Chevrolet HHR LT, 2.4 P, Automatic

DTC Descriptors

2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION DTC Descriptors
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.
DTC B1000 31

Engine Control Unit Performance - General Checksum Error

DTC B1000 33

Electronic Control Unit (ECU) Performance Special Memory Failure

DTC B1000 34

Electronic Control Unit (ECU) Performance RAM Failure

DTC B1000 35

Electronic Control Unit (ECU) Performance ROM Failure

DTC B1000 36

Electronic Control Unit (ECU) Performance EEPROM Failure

DTC B1000 37

Electronic Control Unit (ECU) Performance Watchdog

DTC B1000 39

Electronic Control Unit (ECU) Performance Internal Electronic Failure

DTC B1000 5A

Electronic Control Unit (ECU) Performance Plausibility Failure

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.