BMW DME MEVD17 DTCs (130002, 130202, 1B5302): ECU Repair Manuals

BMW DME MEVD17 DTCs (130002, 130202, 1B5302) - ECU Repair

If your BMW is showing DTCs 130002, 130202, or 1B5302, you’re likely experiencing engine misfires, timing issues, or even internal ECU failures. These problems can lead to rough idling, reduced power, and frustrating warning lights on your dashboard. 

​What Do These BMW DME MEVD17 DTCs Mean?
DTC 130002 - Misfire in Cylinder 1
A misfire in cylinder 1 usually happens because of:

• Worn-out spark plugs or faulty ignition coils
• Fuel injector failure
• Excessive carbon buildup on intake valves
• Weak DME signal output

DTC 130202 - Vanos Intake Timing Error
This code signals a problem with the Vanos system, which controls valve timing.
Causes include:

• Clogged or worn-out Vanos solenoids
• Dirty or degraded engine oil
• Timing chain stretch or wear
• Failing camshaft position sensors

DTC 1B5302 - Internal ECU Failure
This is the most serious issue, pointing to an internal fault in the DME (Digital Motor Electronics).
Potential causes include:

• Corrupted ECU software
• Burnt circuits inside the DME
• Poor grounding or unstable voltage supply
• Overheating damage

Step-by-Step Fixes for BMW DME MEVD17 Issues
Step 1: Basic Maintenance & Component Replacements
✔ Replace spark plugs and ignition coils
✔ Clean or replace fuel injectors if clogged
✔ Change engine oil and clean Vanos solenoids
✔ Check and adjust timing chain if stretched

Step 2: Advanced ECU Diagnosis & Repair
If replacing components doesn’t fix the issue, it’s time to dig deeper into the DME MEVD17 ECU:

1. Scan for Live Data & Faults – Use ISTA+ or Autel MaxiSys to get real-time diagnostics.
2. Check for Software Corruption – If the ECU software is faulty, a reflash may be required.
3. Inspect DME Hardware – Look for burnt components, cracked solder joints, or water damage inside the ECU.
4. Follow a Professional Repair Manual – To perform chip-level repairs, you’ll need wiring diagrams, troubleshooting steps, and DME circuit details.

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