Body Control Module DTCS

2000 Chevrolet Cavalier Base, 2D Coupe, Automatic, 4T40E/MN4SECTION Body Control Module DTCS
BODY CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
B1000 BCM Malfunction
B1001 Option Configuration Error
B1372 Ignition 1 Circuit Low
B1382 Ignition ACC Circuit Low
B2965 Key In Ignition Fault
U1000 & U1255 Class 2 Communication Malfunction
U1001- U1254 (1) Loss Of Communications With XXX
U1300 (1) Class 2 Data Link Low
U1301 (1) Class 2 Data Link High
(1) Go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.