Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer isn't getting a signal from a timer that tells it when the engine is turned off.
The P15FE code is triggered when the Engine Control Module (ECM) does not receive a signal from the external engine off timer.
The external engine off timer is a component that communicates with the ECM to provide information about when the engine is turned off. If the ECM does not detect a signal from this timer, it will set the P15FE code. This could indicate a problem with the timer itself, the wiring, or the ECM.
• Check Engine Light illuminated
• Possible issues with engine start/stop functionality
• No noticeable symptoms in some cases
• Faulty external engine off timer
• Wiring issues or loose connections
• Faulty Engine Control Module (ECM)
ECM: Engine Control Module
OBD-II: On-Board Diagnostics II
• Scan the vehicle for codes and note any other related codes.
• Inspect the wiring and connections to the external engine off timer.
• Test the external engine off timer for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the external engine off timer if faulty.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$100 - $500
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regular maintenance checks of electrical systems
• Ensure all connections are secure
• Use quality parts for replacements
Sensor Issue
• Have the vehicle diagnosed by a professional if the Check Engine Light comes on.
• Avoid ignoring the warning light as it could lead to more serious issues.
Check with the vehicle manufacturer for warranty coverage on electrical components.
This code is relatively uncommon and typically related to specific vehicle models with advanced engine management systems.
Moderate – It should be addressed soon to avoid potential issues with engine start/stop functionality.
Driving with a Check Engine Light can lead to more serious problems if not addressed. Always ensure your vehicle is safe to operate.
• Engine off
• Key in the ignition position
The external engine off timer is usually located near the ECM or within the engine compartment.
Q: Can I drive with the P15FE code?
A: While the vehicle may still operate, it's best to have it checked to prevent possible issues.
Q: What happens if I ignore this code?
A: Ignoring the code could lead to more significant engine management problems over time.
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