Dodge DTC P1479 – Transmission Fan Relay Circuit
DTC P1479 meaning on Dodge
DTC P1479 on a Dodge vehicle indicates an issue with the Transmission Fan Relay Circuit. This diagnostic trouble code is triggered when the powertrain control module (PCM) detects a malfunction in the circuit responsible for controlling the transmission fan relay.
Dodge DTC P1479 symptoms
Symptoms associated with DTC P1479 on a Dodge may include:
- Check Engine Light illuminated on the dashboard
- Transmission overheating
- Transmission shifting issues
Dodge DTC P1479 causes
Common causes of DTC P1479 on a Dodge can include:
- Defective transmission fan relay
- Faulty wiring or connectors in the transmission fan relay circuit
- PCM software issues
Dodge DTC P1479 seriousness
DTC P1479 should be addressed promptly to prevent potential damage to the transmission due to overheating. Ignoring this code can lead to more severe transmission problems and possible vehicle breakdown.
How to diagnose DTC P1479 on Dodge
To diagnose DTC P1479 on a Dodge, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the trouble codes stored in the PCM
- Inspect the transmission fan relay and related wiring for any visible damage
- Test the transmission fan relay for proper operation
- Check the PCM for any software updates or reprogramming needed
How to fix DTC P1479 on Dodge
To fix DTC P1479 on a Dodge, the following steps may be taken:
- Replace the faulty transmission fan relay if found defective
- Repair or replace any damaged wiring or connectors in the circuit
- If necessary, update the PCM software to the latest version
How to erase DTC P1479 on Dodge
After addressing the underlying issue causing DTC P1479 on a Dodge, the code can be erased using a diagnostic scanner. The scanner can clear the trouble codes stored in the PCM, resetting the Check Engine Light and indicating that the issue has been resolved.
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