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 there is a problem with the electrical circuit that controls the ignition and fuel injectors in the car. It's like a light switch not working, which means the lights can't turn on.
The P13E6 code is triggered when the Engine Control Module (ECM) detects a low voltage condition in the circuit responsible for controlling the ignition and injectors relay.
The ignition and injectors relay control circuit is responsible for providing power to the ignition coils and fuel injectors. A low voltage condition indicates that the circuit is not supplying the necessary power, which could be due to a faulty relay, wiring issues, or a problem with the ECM.
• Engine misfires
• Poor engine performance
• Check Engine Light illuminated
• Faulty ignition and injectors relay
• Damaged wiring or connectors in the circuit
• Faulty Engine Control Module (ECM)
ECM: Engine Control Module
Relay: An electrical switch that opens and closes under the control of another electrical circuit
• Check for stored trouble codes and freeze frame data using an OBD-II scanner.
• Inspect the ignition and injectors relay for proper operation.
• Examine wiring and connectors for damage or corrosion.
• Replace the faulty ignition and injectors relay.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Relay puller tool
$100 - $500
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regularly inspect and maintain electrical connections.
• Ensure relays are functioning properly.
• Perform routine diagnostic checks.
Electrical Circuit Issue
• Avoid driving the vehicle until the issue is resolved to prevent further damage.
• Consult a professional mechanic for accurate diagnosis and repair.
Check your vehicle's warranty to see if electrical issues are covered.
This code has been associated with electrical issues in vehicles with complex ignition systems.
High – This issue can lead to engine performance problems and should be addressed promptly.
Driving with a malfunctioning ignition and injector system can lead to safety hazards and potential legal issues if emissions are affected.
• Engine at operating temperature
• Vehicle in a safe, stationary position
The ignition and injectors relay is typically located in the engine compartment's fuse box.
Q: Can I drive my car with this code?
A: It's not recommended to drive with this code, as it can cause engine performance issues.
Q: How can I reset the code?
A: The code can be reset using an OBD-II scanner, but it's important to fix the underlying issue first.
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Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
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Universal · Wire connectors and repair kit
Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
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Fitment Required · Vehicle-fitment part
Commonly relevant for misfire, ignition-efficiency, and some drivability-related repairs.
Misfire and ignition-related faults commonly involve spark plugs as part of the repair path.
Check the correct plug type, gap, and engine application for your vehicle.
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Fitment Required · Vehicle-fitment part
Relevant when the fault points toward ignition-coil performance or cylinder-specific ignition issues.
Some ignition faults involve coil performance or cylinder-specific coil problems.
Match the coil to your engine and confirm the failed component before ordering.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.