Engine Shutoff Solenoid Malfunction
P0215 indicates a malfunction in the engine shutoff solenoid circuit, which controls fuel delivery cutoff when the engine is commanded to stop. This code sets when the PCM detects an open, shorted, or inoperative shutoff solenoid that prevents proper engine shutdown or fuel system control.
What You Might Notice
- Engine will not start or cranks but fails to start
- Engine will not shut off when ignition is turned off
- No power to fuel pump or fuel system
- Lean exhaust codes appearing alongside P0215
- Fuel system codes stored in PCM memory
Most Common Causes
- 1
Defective engine cutoff solenoid
The solenoid that controls fuel delivery shutoff has failed internally or electrically, preventing it from responding to PCM commands.
- 2
Faulty engine shutoff relay
The relay controlling solenoid power supply is defective or has poor contacts, preventing voltage from reaching the solenoid circuit.
- 3
Open or shorted circuit in shutoff system wiring
Broken wires, damaged connectors, or corrosion in the solenoid circuit harness interrupts proper electrical signaling.
- 4
Bad oil pressure or temperature sensor
A faulty engine sensor can trigger shutoff solenoid malfunction codes due to PCM logic errors in shutdown sequencing.
How to Diagnose It
- 1
Check Defective engine cutoff solenoid — The solenoid that controls fuel delivery shutoff has failed internally or electrically, preventing it from responding to PCM commands.
- 2
Check Faulty engine shutoff relay — The relay controlling solenoid power supply is defective or has poor contacts, preventing voltage from reaching the solenoid circuit.
- 3
Check Open or shorted circuit in shutoff system wiring — Broken wires, damaged connectors, or corrosion in the solenoid circuit harness interrupts proper electrical signaling.
- 4
Check Bad oil pressure or temperature sensor — A faulty engine sensor can trigger shutoff solenoid malfunction codes due to PCM logic errors in shutdown sequencing.
How to Fix It
- 1
Replace engine cutoff solenoid
Test solenoid resistance and response to commands; if defective, replace with OEM or quality aftermarket solenoid and verify fuel system operation.
- 2
Replace engine shutoff relay
Inspect relay for corrosion or burnt contacts; test with a multimeter or swap with a known good relay, then replace if faulty.
- 3
Repair solenoid circuit wiring and connectors
Inspect the harness from PCM to solenoid for breaks, corrosion, or loose connectors; repair or replace damaged wiring and clean all connections.
- 4
Check PCM programming and sensor operation
Verify oil pressure and engine temperature sensors are functioning correctly; if sensors are faulty, replace them and clear the code to test solenoid response.
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