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.
2011 Saab 9-5 Turbo6FACTORY OEM SERVICE PROCEDURE
Control Module/Electrical DTCS
CONTROL MODULE, WIRING HARNESS AND COMPONENTS DTC INDEX
| DTC | Description |
|---|---|
| DTC B1370 | Control Module Ignition On and Start Circuit |
| DTC B1370 | Control Module Ignition On and Start Circuit |
| DTC B1380 | Control Module Ignition Accessory Circuit |
| DTC B1441 | Control Module Ignition Off, Run, and Start Circuit |
| DTC B1445 | Control Module Voltage Output Circuit Short to Ground |
| DTC B144A | RUN Power Relay Circuit Short to Ground |
| DTC B144B | RUN/CRNK Relay Circuit Short to Ground |
| DTC B147E | Battery Saver Relay Set Secondary Circuit Short to Ground |
| DTC B147F | Battery Saver Relay Reset Secondary Circuit Short to Ground |
| DTC P2534 | Ignition Voltage Out of Range Malfunction |
| DTC P2537 | Accessory Power Circuit Malfunction |
Factory Service Tools
Use the Manual With the Right Hardware
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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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