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.
Diagnosis And Programming: Notes
The E46 diagnostic concept provides an minimization of fault symptom selections based on areas of selection. Follow the test schedule provided by the DIS/MoDiC. The test schedule is based on the selected fault symptom and stored fault codes. The GS 20 monitors the A5S 360R and interfacing systems. When faults are detected, the GS 20 stores the following fault codes. See Fig 1 .
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.