What does code P1796 mean on Jaguar vehicles?
The ECU detects a CAN communication malfunction involving the transmission control module.
OBD-II Code Jaguar
P1796 — Jaguar — CAN Data Bus TCM Malfunction
The ECU detects a CAN communication malfunction involving the transmission control module.
Common symptoms
- Erratic shifting behavior
Possible causes
- CAN network fault
- TCM communication error
Initial recommendation
Perform CAN diagnostics between TCM and network modules.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Jaguar code P1796 with your vehicle's actual symptoms for more complete diagnostic guidance.
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