P0617

Symptoms

• The Check Engine light comes on
• The starter continues to operate after the engine starts
• Bendix's characteristic grinding noise when the engine is running
• Starting the starter without turning the ignition key
• Quick starter failure

Causes

• Starter relay contacts sticking in closed position
• Short circuit of the relay control wire to positive
• Ignition switch malfunction (constant start signal)
• Foreign object between relay contacts
• Internal ECU malfunction (control transistor in closed state)

How to Fix

1. Immediately check whether the starter is working without a command
2. Disable the starter relay to protect the starter and flywheel
3. Check relay for sticking - replace if necessary
4. Measure the voltage at the control input of the relay with the ignition off
5. Check wiring for short to positive
6. With a working relay and wiring - diagnostics of the ignition switch and ECU

Related codes

Error P0617 by Vehicle Brand