What does code P1799 mean on Jaguar vehicles?
The ECU detects a CAN network malfunction between TCM, ABS, and TCS modules.
OBD-II Code Jaguar
P1799 — Jaguar — CAN Data Bus TCM ABS TCS Network Malfunction
The ECU detects a CAN network malfunction between TCM, ABS, and TCS modules.
Common symptoms
- Multiple warning indicators
Possible causes
- CAN network communication fault
Initial recommendation
Perform comprehensive CAN network diagnostics among TCM, ABS, and TCS 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 P1799 with your vehicle's actual symptoms for more complete diagnostic guidance.
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