P1796 – Jaguar DTC

Jaguar DTC P1796 – CAN data bus, TCM – malfunction

DTC P1796 meaning on Jaguar

  1. DTC P1796 indicates a malfunction in the Transmission Control Module (TCM) related to the CAN data bus communication.

Jaguar DTC P1796 symptoms

  1. Transmission may go into limp mode.
  2. Harsh shifting or erratic shifting behavior.
  3. Loss of communication with the TCM.

Jaguar DTC P1796 causes

  1. Faulty TCM.
  2. Issues with the CAN data bus communication network.
  3. Wiring or connector problems.

Jaguar DTC P1796 seriousness

  1. If left unresolved, it can lead to transmission performance issues and potential safety concerns.

How to diagnose DTC P1796 on Jaguar

  1. Use a diagnostic scanner to retrieve the fault codes and perform a comprehensive scan of the TCM.
  2. Check the wiring and connectors for any visible damage or corrosion.
  3. Test the CAN data bus communication network for proper functionality.

How to fix DTC P1796 on Jaguar

  1. Repair or replace any damaged wiring or connectors.
  2. If the TCM is faulty, it may need to be replaced.
  3. Ensure proper communication on the CAN data bus network.

How to erase DTC P1796 on Jaguar

  1. After fixing the underlying issue, use a diagnostic scanner to clear the fault codes from the TCM memory.

Recommended tools for Jaguar diagnostics

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