P1D67 – BMW DTC

BMW DTC P1D67 – A/C Coolant Heater Control Module Temperature Sensor Circuit Low

DTC P1D67 meaning on BMW

DTC P1D67 on a BMW refers to the A/C Coolant Heater Control Module Temperature Sensor Circuit Low. This diagnostic trouble code indicates that the control module is detecting a lower than expected voltage signal from the temperature sensor circuit.

BMW DTC P1D67 symptoms

Symptoms of DTC P1D67 on a BMW may include:

• Malfunctioning or erratic operation of the A/C system
• Poor heating or cooling performance
• Check Engine Light (CEL) illuminated on the dashboard

BMW DTC P1D67 causes

Common causes of DTC P1D67 on a BMW include:

• Faulty A/C Coolant Heater Control Module Temperature Sensor
• Wiring or connection issues in the temperature sensor circuit
• Corrosion or damage to the sensor or its connectors

BMW DTC P1D67 seriousness

While DTC P1D67 may not cause immediate drivability issues, it can affect the proper functioning of the A/C system in your BMW. Ignoring this code may lead to discomfort while driving, especially in extreme weather conditions.

How to diagnose DTC P1D67 on BMW

To diagnose DTC P1D67 on your BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer.
2. Inspect the A/C Coolant Heater Control Module Temperature Sensor and its wiring for any visible damage or corrosion.
3. Test the sensor’s resistance and voltage output to determine if it is functioning within specifications.

How to fix DTC P1D67 on BMW

To fix DTC P1D67 on your BMW, you may need to:

1. Replace the faulty A/C Coolant Heater Control Module Temperature Sensor.
2. Repair any damaged wiring or connectors in the sensor circuit.
3. Clear the fault codes using a diagnostic scanner after completing the repairs.

How to erase DTC P1D67 on BMW

To erase DTC P1D67 on your BMW, you can:

1. Use a diagnostic scanner to access the vehicle’s computer.
2. Select the option to clear the fault codes stored in the system.
3. Follow the on-screen prompts to confirm the deletion of the DTC P1D67 code.

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

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