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 18 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)TESTING - DIAGNOSTICNOTES
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4
Testing - Diagnostic: Notes
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4SECTION Notes
WARNING: This page is about a different car, the 1998 Pontiac Sunfire and 1998 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Following diagnostic charts are courtesy of General Motors Corp.
DIAGNOSTIC TROUBLE CODE (DTC) CHART
| Trouble Code | Possible Cause |
|---|---|
| B1015 | Passenger Deployment Loop Resistance High |
| B1016 | Passenger Deployment Loop Resistance Low |
| B1017 | Passenger Deployment Loop Open |
| B1018 | Passenger Deployment Loop Short To Ground |
| B1019 | Passenger Deployment Loop Short To Voltage |
| B1021 | Driver Deployment Loop Resistance High |
| B1022 | Driver Deployment Loop Resistance Low |
| B1024 | Driver Deployment Loop Short To Ground |
| B1025 | Driver Deployment Loop Short To Voltage |
| B1026 | Driver Deployment Loop Open |
| B1035 | Discriminating Sensor Circuit Closed Or Short To Ground |
| B1036 | Discriminating Sensor Circuit Open Or Short To Voltage |
| B1051 | Deployment Commanded |
| B1053 | Deployment Commanded With Loop Malfunction |
| B1061 | SIR Warning Light Malfunction |
| B1071 | Internal SDM Malfunction |
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.