Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
Your car's computer is getting too much power from a part that helps it work. It's like when a toy gets too much battery power and stops working right.
The vehicle's control module is detecting that the 5-volt reference circuit is receiving a higher voltage than expected.
The P167E code indicates that the internal control module has detected a voltage level higher than the specified 5 volts on one of its reference circuits. This can affect the module's ability to properly control various engine and vehicle systems.
• Check engine light is on
• Engine may run poorly
• Erratic transmission shifting
• Faulty control module
• Wiring issues causing a short circuit
• Faulty sensor providing incorrect voltage
Control Module: A computer that manages various functions of the vehicle.
Voltage: The electrical potential difference, measured in volts.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage.
• Test the voltage at the control module's reference circuit.
• Repair or replace any damaged wiring.
• Replace the faulty control module if necessary.
• Ensure all connections are secure and corrosion-free.
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $800
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect vehicle wiring.
• Ensure battery and electrical systems are in good condition.
• Avoid aftermarket modifications that may affect voltage.
Electrical Issue
• Avoid driving the vehicle until the issue is resolved.
• Consult a professional mechanic for diagnosis and repair.
Check your vehicle's warranty; electrical components may be covered.
This code has been associated with vehicles experiencing sensor or wiring issues leading to incorrect voltage readings.
Moderate – Address the issue soon to prevent potential damage to the control module.
Driving with this code may lead to increased emissions and potential safety issues.
• Engine running
• Vehicle in park or neutral
The control module is typically located under the dashboard or in the engine compartment.
Q: Can I drive with a P167E code?
A: It's not recommended to drive with this code as it can lead to further damage.
Q: What happens if I ignore this code?
A: Ignoring the code can result in poor engine performance and potential damage to the control module.
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Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
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Universal · Wire connectors and repair kit
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