Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSOLDSMOBILE1998ACHIEVA 3.1 M, 4T40E/MN4REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 6 (BODY CONTROL MODULES)
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4
Section 6 (Body Control Modules)
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4SECTION Section 6 (Body Control Modules)
WARNING: This page is about a different car, the 1999 Buick Regal and 1999 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Description & Operation
- Component Locations
- Programming
- Self-Diagnostic System
- System Tests
- Diagnostic Tests
- DTC B0608: BCM Power MODING Error
- DTC B1003: RFA Programming/ Diagnostic Mode Message Not Received
- DTC B1007: BCM Internal Memory Malfunction (Write Error)
- DTC B1009: BCM Internal Memory Malfunction (Checksum Error)
- DTC B1015: VIN Information Error
- DTC B1339: Battery For Door Lock Circuit (Open)
- DTC B1344: Courtesy Lights Battery Feed Circuit (Open)
- DTC B1349: Door Lock Actuator Ground Feed Circuit (Open)
- DTC B1477: Rap Relay Circuit (Short To Ground Or Open)
- DTC B1478: Rap Relay Circuit (Short To Voltage)
- DTC B1482: Courtesy Lights Circuit (Short To Ground)
- DTC B2533: FOGLIGHT Switch Circuit (Short To Voltage)
- DTC B2552: Backup Lamp Circuit Low
- DTC B2553: Backup Lamp Circuit High
- DTC B2559: Theater Dimming Ground Circuit (Open)
- DTC B2602: DRL Control Module Circuit (Short To Ground Or Open)
- DTC B2603: DRL Control Module Circuit (Short To Voltage)
- DTC B2612: Passenger Compartment Dimming No. 1 Circuit Low
- DTC B2613: Dim Potentiometer Circuit High
- DTC B2618: Passenger Compartment Dimming No. 2 Circuit High
- DTC B2747: Performance Shift Switch Circuit (Short To Ground Or Open)
- DTC B2753: Horn Relay Circuit (Short To Voltage)
- DTC B2818: Low Tire Pressure System Reset Circuit Low
- DTC B2957: PASS-Key(R) II DETECTION CIRCUIT (SHORT TO GROUND)
- DTC B2958: PASS-Key(R) II DETECTION CIRCUIT (SHORT TO VOLTAGE OR OPEN)
- DTC B2960: PASS-Key(R) II DETECTION CIRCUIT (OUT OF RANGE)
- DTC B2961: Key-In-Ignition Fault
- DTC B3031: PASS-Key(R) II PROGRAMMING MODE ACTIVE
- DTC B3102: RFA Link Circuit (Short To Ground)
- DTC B3103: RFA Link Circuit (Short To Voltage)
- DTC B3106: RFA Link Parity Error
- DTC B3127: Driver's Door Unlock Circuit (Short To Ground Or Open)
- DTC B3128: Driver's Door Unlock Circuit (Short To Voltage)
- DTC B3267: DECKLID Output Relay (Short To Ground Or Open)
- DTC B3268: DECKLID Output Relay (Short To Voltage)
- DTC U1016: Loss Of Class 2 Communication With Pcm
- DTC U1040: Loss Of Class 2 Communication With Abs
- DTC U1096: Loss Of Class 2 Communication With IPC
- DTC U1255: Loss Of Class 2 Serial Data Fault (General)
- DTC U1300: Class 2 Circuit (Short To Ground)
- DTC U1301: Class 2 Circuit (Short To Voltage)
- Removal & Installation
- Wiring Diagrams
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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.