Bosch · ECU Troubleshooting
Neither the crankshaft nor the camshaft position sensor is providing a signal. This prevents the engine from starting.
Click steps to track your progress.
Check the main power supply to the ECU.
Inspect the wiring harnesses for both the crankshaft and camshaft sensors.
If power and wiring are intact, both sensors may have failed, or the ECU is at fault.