U1437
Implausible Intake Air Temperature Message Recieved
U1437 is an OBD-II diagnostic trouble code meaning: Implausible Intake Air Temperature Message Recieved. Common causes: intake air temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $6–33.
Symptoms
- Unstable engine operation at idle
- Increased fuel consumption
- Reduced engine power
- Check Engine Light Illuminates
- Problems starting the engine in cold weather
Causes
- Intake air temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Problems with the CAN bus (break, damaged wires)
- Engine ECU malfunction
How to Fix
- Check the condition of the intake air temperature sensor
- Check the integrity of the sensor circuit and connectors
- Check sensor resistance at different temperatures
- Check the operation of the CAN bus and the quality of communication between modules
- If necessary, replace the intake air temperature sensor
Related codes
FAQ
What does the U1437 code mean?
U1437 is an OBD-II diagnostic trouble code that indicates: Implausible Intake Air Temperature Message Recieved
What causes a U1437 error code?
The most common causes of U1437 include: Intake air temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the CAN bus (break, damaged wires).
How do I fix a U1437 diagnostic trouble code?
To fix U1437: Check the condition of the intake air temperature sensor. Check the integrity of the sensor circuit and connectors. Check sensor resistance at different temperatures. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1437?
Yes, but get it checked soon
How much does it cost to fix U1437?
The estimated repair cost for U1437 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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