DTC B1000: Control Module Internal Fault (Except IPM): Notes

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For DTC B1000 stored in Instrument Panel Module (IPM), see DTC B1000: LOSS OF COMMUNICATION TO INSTRUMENT PANEL MODULE under DIAGNOSTIC TESTS in AUTOMATIC A/C-HEATER SYSTEMS article in HVAC.