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 MANUALSSAAB1990900 BASE, 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)RESTRAINTSAIR BAG, SRSAIR BAG RESTRAINT SYSTEMSELF-DIAGNOSTICSSELF-DIAGNOSTIC SYSTEMERASING FAULT CODES FROM MEMORY
1990 Saab 900 Base, 2D Convertible, Standard
Erasing Fault Codes From Memory
1990 Saab 900 Base, 2D Convertible, StandardSECTION Erasing Fault Codes From Memory
- Depress buttons "A" and "C" simultaneously. The letters "Er" will appear on tester display. Depress button "C". SRS system code will now be displayed. Depressing "C" again will display the program version.
- The third time "C" is depressed, all fault codes will be erased from memory ("01" will appear on display). If "02" is displayed, repeat procedure. Fault codes cannot be erased if air bag has deployed.
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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.