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 has detected a problem with the electrical power going to the pump that helps keep the engine cool. It's like if the pump is getting too much electricity.
The P26D5 code indicates that the voltage in the circuit that supplies power to the engine coolant pump is higher than expected.
The Engine Control Module (ECM) monitors the voltage level in the circuit that powers the engine coolant pump. If the voltage is higher than the specified range, the ECM will trigger the P26D5 code. This could be due to a fault in the wiring, a malfunctioning pump, or issues with the power supply.
• Check Engine Light is on
• Engine overheating
• Coolant pump not operating correctly
• Faulty engine coolant pump
• Wiring issues such as shorts or opens in the circuit
• Faulty ECM or power supply issues
ECM: Engine Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the engine coolant pump for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the engine coolant pump if faulty.
• Check and repair the ECM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain the cooling system.
• Ensure electrical connections are clean and secure.
• Replace coolant pump as per manufacturer guidelines.
Sensor Issue
• Do not ignore the Check Engine Light; get it checked as soon as possible.
• If the engine is overheating, do not drive the vehicle until the issue is resolved.
Check with your vehicle manufacturer as some components may be covered under warranty.
This code has been associated with vehicles that have experienced electrical issues in the cooling system, particularly in models with electric coolant pumps.
High – Driving with this issue can lead to engine overheating and potential engine damage.
Ignoring this code can lead to serious engine damage and potential safety hazards. Always address Check Engine Light issues promptly.
• Engine running
• Coolant system under normal operating conditions
The engine coolant pump is typically located at the front of the engine, near the radiator.
Q: Can I drive with the P26D5 code?
A: It is not recommended to drive with this code as it can lead to engine overheating.
Q: How do I reset the Check Engine Light after fixing the issue?
A: Use an OBD-II scanner to clear the code after repairs are completed.
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