P06D1

Symptoms

• Check Engine Light Is On
• Misfire in one or more cylinders
• Unstable engine operation
• Reduced power and acceleration dynamics
• Increased fuel consumption

Causes

• Internal malfunction of the ignition coil driver in the ECU
• Overheating or damage to the engine control unit
• Moisture or short circuit in the ECU
• Overvoltage in the on-board network (voltage surges)
• Damage to the external ignition coil circuit, loading the ECU

How to Fix

1. Read all error codes and check for ignition coil codes (P0350–P0362)
2. Check external wiring and ignition coil connectors
3. Measure the resistance of the ignition coils and make sure they are in good condition.
4. Check the ECU supply voltage and grounding quality
5. Inspect the ECU connectors for corrosion and damage.
6. If the external circuits are in good condition, send the ECU for diagnostics or repair to a specialized workshop

Related codes

Error P06D1 by Vehicle Brand