Jaguar DTC P1793 – TCM, ignition power supply – circuit malfunction
DTC P1793 meaning on Jaguar
DTC P1793 on a Jaguar refers to a transmission control module (TCM) ignition power supply circuit malfunction. This diagnostic trouble code indicates an issue with the power supply to the TCM, affecting its ability to function properly.
Jaguar DTC P1793 symptoms
Symptoms of DTC P1793 on a Jaguar may include:
- Transmission shifting issues
- Engine stalling
- Loss of power
- Check Engine Light illuminated
Jaguar DTC P1793 causes
Common causes of DTC P1793 on a Jaguar include:
- Faulty TCM power supply
- Corroded or damaged wiring in the ignition power circuit
- Loose connections in the TCM circuit
Jaguar DTC P1793 seriousness
The seriousness of DTC P1793 on a Jaguar depends on the extent of the issue. Ignoring this fault can lead to further transmission problems and potential safety hazards. It is recommended to address this code promptly.
How to diagnose DTC P1793 on Jaguar
To diagnose DTC P1793 on a Jaguar, follow these steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the TCM power supply circuit for any visible damage or corrosion
- Check the wiring and connections related to the ignition power supply
- Perform a voltage test on the TCM power supply circuit
How to fix DTC P1793 on Jaguar
To fix DTC P1793 on a Jaguar, consider the following:
- Repair or replace any damaged wiring in the ignition power circuit
- Ensure all connections related to the TCM power supply are secure
- Replace the TCM if necessary
- Clear the fault code and test drive the vehicle to confirm the issue is resolved
How to erase DTC P1793 on Jaguar
To erase DTC P1793 on a Jaguar, use a diagnostic scanner to clear the fault code from the vehicle’s memory. Once the code is cleared, test drive the vehicle to ensure the issue has been resolved.
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