B1000

Symptoms

• Check Engine light comes on
• Problems starting the engine
• Unstable engine operation
• Power Loss
• Failure of other vehicle systems

Causes

• Internal ECU failure
• Damage to ECU chips or memory
• Power supply problems (voltage fluctuations, poor contact)
• Corrosion of ECU connectors
• Wiring harness damage

How to Fix

1. Check power supply and grounding of the ECU
2. Inspect connectors and wiring harness for damage
3. Check the condition of the ECU (visually and using diagnostic equipment)
4. Reflash or replace the ECU if necessary
5. Eliminate possible causes of voltage drops

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