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.
2001 Mercedes Benz ML430FACTORY OEM SERVICE PROCEDURE
Ml320 (1998)
DIAGNOSTIC TROUBLE CODE LIST
| Code | Possible Cause | Go To Test Step |
|---|---|---|
| 00 | SRS Control Module, N2/2 | 2.0, see SRS & ETR Diagnosis Tests 1.0-3.1 |
| 003 | Voltage Supply Circuit 15R, Low Voltage | 1.0, see SRS & ETR Diagnosis Tests 1.0-3.1 |
| 002 | SRS Warning Light, A1e15 | 11.0, see SRS & ETR Diagnosis Tests 11.0-13.0 |
| 004 | Driver Air Bag Squib, R12/3 | 3.0, see SRS & ETR Diagnosis Tests 1.0-3.1 ; 4.0, see SRS & ETR Diagnosis Tests 4.0-5.1 |
| 005 | Driver ETR Squib, R12/1 | 5.0, see SRS & ETR Diagnosis Tests 4.0-5.1 |
| 006 | Passenger ETR Squib, R12/2 | 7.0, see SRS & ETR Diagnosis Tests 5.2-7.0 |
| 007 | Passenger Air Bag Squib, R12/4 | 9.0, see SRS & ETR Diagnosis Tests 9.0-9.2 ; 10.0, see SRS & ETR Diagnosis Tests 9.3-10.0 |
| 008 | Side Air Bag Squib, Driver-Side | 17.0, see SRS & ETR Diagnosis Tests 16.0-17.0 |
| 009 | Side Air Bag Squib, Passenger- Side | 18.0, see SRS & ETR Diagnosis Tests 17.4-18.1 |
| 016 | Driver Belt Switch, S68/3 | 12.0, 13.0, see SRS & ETR Diagnosis Tests 11.0-13.0 |
| 017 | Passenger Belt Switch, S68/3 | 14.0, 15.0, see SRS & ETR Diagnosis Tests 14.0-15.0 |
| 018 | Driver Air Bag Harness | 19.0, see SRS & ETR Diagnosis Tests 19.0-20.1 |
| 019 | Driver Air Bag Sensor | Replace Sensor |
| 020 | Driver Air Bag Sensor | Replace Sensor |
| 021 | Passenger Air Bag Sensor | 20.0, see SRS & ETR Diagnosis Tests 19.0-20.1 |
| 022 | Passenger Air Bag Sensor | Replace Sensor |
| 023 | Passenger Air Bag Sensor | Replace Sensor |
| 024 | Passenger Seat Occupation Signal | 21, see SRS & ETR Diagnosis Tests 20.2-21.1 ; 22, see SRS & ETR Diagnosis Tests 21.2-23.0 |
| 025 | Passenger Seat Occupation Signal | 21, see SRS & ETR Diagnosis Tests 20.2-21.1 |
| 027 | Passenger Seat Occupation Signal | 22, see SRS & ETR Diagnosis Tests 21.2-23.0 |
| 032, 033 | Communication Interference | Test information is not available |
| 034 | Digital Crash Output, Harness Fault | Test information is not available |
| 035 | Analog Crash Output, Harness Fault | Test information is not available |
| 036 | Auto Child Seat Recognition Light | 22.0, 23.0, see SRS & ETR Diagnosis Tests 21.2-23.0 |
Factory Service Tools
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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.