P1479 – Jeep DTC

Jeep DTC P1479 – Transmission Fan Relay Circuit

DTC P1479 meaning on Jeep

DTC P1479 for Jeep refers to a fault in the Transmission Fan Relay Circuit. This diagnostic trouble code indicates an issue with the relay responsible for controlling the transmission fan operation.

Jeep DTC P1479 symptoms

Symptoms of DTC P1479 on a Jeep may include:

  • Transmission overheating
  • Transmission slipping
  • Check Engine Light illuminated

Jeep DTC P1479 causes

Common causes of DTC P1479 on a Jeep include:

  • Defective transmission fan relay
  • Faulty wiring or connections in the relay circuit
  • Issues with the transmission fan itself

Jeep DTC P1479 seriousness

The seriousness of DTC P1479 on a Jeep depends on the extent of the issue. Ignoring this code can lead to transmission overheating and potential damage if not addressed promptly.

How to diagnose DTC P1479 on Jeep

To diagnose DTC P1479 on a Jeep, you can:

  1. Use a scan tool to retrieve the trouble codes
  2. Inspect the transmission fan relay for proper operation
  3. Check the wiring and connections in the relay circuit

How to fix DTC P1479 on Jeep

To fix DTC P1479 on a Jeep, you may need to:

  1. Replace the faulty transmission fan relay
  2. Repair any damaged wiring or connections in the circuit
  3. Ensure the transmission fan is functioning correctly

How to erase DTC P1479 on Jeep

To erase DTC P1479 on a Jeep, you can:

  1. Use a scan tool to clear the trouble codes
  2. Verify the repair by driving the vehicle and checking for any recurrence of the code