2000 Saturn SLFACTORY OEM SERVICE PROCEDURE

Body Control Module DTCS

BODY CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
B1000 ECU Malfunction
B1001 Option Configuration Error
B1328 Device Power No. 1 Circuit High
B1372 Device Ignition No. 1 Circuit Low
B1382 Device Ignition Accessory Circuit Low
B2965 Key-In-Ignition Circuit Open
U1000 Class-2 Communication Data Link Malfunction
U1016 Lost Communications With Engine Controls System
U1040 Lost Communications With Electronic Brake/Traction Control Module (EBTCM)
U1064 Lost Communications With Body Control Module
U1088 Lost Communications With Sensing And Diagnostic Module (SDM)
U1096 Lost Communications With Instrument Panel Cluster
U1300 Class-2 Data Link Low
U1301 Class-2 Data Link High
Factory Service Tools

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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.

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