Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with a sensor that helps control the temperature of the car's air conditioning system. It's like when a thermometer doesn't work right, so you don't know if it's hot or cold.
The P1D67 code is triggered when the A/C Coolant Heater Control Module detects a low voltage signal from the temperature sensor circuit, indicating a potential issue with the sensor or its wiring.
The A/C Coolant Heater Control Module relies on a temperature sensor to monitor the coolant's temperature. If the sensor circuit sends a voltage signal that is lower than expected, it indicates a fault, which could be due to wiring issues, a faulty sensor, or a problem with the control module itself.
• Air conditioning not working properly
• Check Engine Light illuminated
• Inconsistent cabin temperature
• Faulty temperature sensor
• Damaged or corroded wiring/connectors
• Faulty A/C Coolant Heater Control Module
A/C: Air Conditioning
Coolant: A fluid used to regulate temperature
Module: A component that controls specific functions
• Use an OBD-II scanner to confirm the code.
• Inspect the temperature sensor and its wiring for damage.
• Test the sensor's resistance and voltage output.
• Replace the faulty temperature sensor.
• Repair or replace damaged wiring/connectors.
• Replace the A/C Coolant Heater Control Module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Honda Accord
• Honda Civic
• Acura MDX
• Regular maintenance checks of the A/C system.
• Ensure wiring is not exposed to excessive heat or moisture.
• Replace sensors at recommended intervals.
Sensor Issue
• Have the vehicle inspected by a professional if the A/C is not working.
• Do not ignore the Check Engine Light.
Check with the vehicle manufacturer for warranty coverage on the A/C system components.
This code has been reported in vehicles with aging A/C systems, often due to sensor degradation or wiring issues.
Moderate – While the vehicle is still drivable, the A/C system may not function properly, affecting comfort.
Driving with a malfunctioning A/C system is not a safety hazard, but it can lead to discomfort and potential long-term damage to the system.
• Engine running
• A/C system activated
The temperature sensor is typically located near the A/C coolant heater or integrated within the A/C system's control module.
Q: Can I drive with this code?
A: Yes, but your A/C system may not work properly, which can be uncomfortable in hot weather.
Q: Will this code affect my engine's performance?
A: No, this code specifically affects the A/C system and not the engine's performance.
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