What does code P1240 mean on Jaguar vehicles?
The ECU detects a malfunction in the sensor power supply circuit affecting multiple sensors.
OBD-II Code Jaguar
P1240 — Jaguar — Sensor Power Supply Circuit Malfunction
The ECU detects a malfunction in the sensor power supply circuit affecting multiple sensors.
Common symptoms
- Multiple fault codes
Possible causes
- Short to ground or battery voltage
Initial recommendation
Inspect sensor reference voltage circuits and isolate shorts.
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 P1240 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands