Symptom Chart

WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM	POSSIBLE CAUSE	ACTION
Trailer brake lamp (s) inoperative	Bulb failure Fuse(s) blown Circuit fault Brake lamp switch fault	Check the bulb and fuse condition. Check the trailer brake lamp circuit. Check the brake lamp switch function. Refer to applicable System Wiring Diagram(s)
Trailer brake lamp (s) dim	Incorrect bulb rating Circuit fault Brake lamp switch fault	Check the bulb condition and rating. Check the trailer brake lamp circuit. Check the brake lamp switch function. Refer to applicable System Wiring Diagram(s)
Trailer brake lamp (s) stuck on	Circuit fault Brake lamp switch fault	Check the trailer brake lamp circuits. Check the brake lamp switch function. Refer to applicable System Wiring Diagram(s)
Trailer fog lamp(s) inoperative	Bulb failure Fuse(s) blown Circuit fault	Check the bulb and fuse condition. Check the trailer fog lamp circuit. Refer to applicable System Wiring Diagram(s)
Trailer fog lamp(s) dim	Incorrect bulb rating Circuit fault	Check the bulb condition and rating. Check the trailer fog lamp circuit. Refer to applicable System Wiring Diagram(s)
Trailer fog lamp(s) stuck on	Circuit fault	Check the trailer fog lamp circuit. Refer to applicable System Wiring Diagram(s)
Trailer tail and number plate lamp (s) inoperative	Bulb failure Fuse(s) blown Circuit fault Trailer side lamp relay fault	Check the bulb and fuse condition. Check the trailer tail and number plate lamp circuit. Check the trailer tail and number plate lamp relay function. Refer to applicable System Wiring Diagram(s)
Trailer tail and number plate lamp (s) dim	Incorrect bulb rating Circuit fault Trailer side lamp relay fault	Check the bulb condition and rating. Check the trailer tail and number plate lamp circuit. Check the trailer side lamp relay function. Refer to applicable System Wiring Diagram(s)
Trailer tail and number plate lamp (s) stuck on	Circuit fault Trailer tail and number plate lamp relay fault	Check the trailer tail and number plate lamp circuit. Check the trailer tail and number plate lamp relay function. Refer to applicable System Wiring Diagram(s)
Trailer turn signal lamp (s) inoperative	Bulb failure Fuse(s) blown Circuit fault	Check the bulb and fuse condition. Check the trailer turn signal lamp circuit. Refer to applicable System Wiring Diagram(s)
Trailer turn signal lamp (s) dim	Incorrect bulb rating Circuit fault	Check the bulb condition and rating. Check the trailer turn signal lamp circuits. Refer to applicable System Wiring Diagram(s)
Trailer turn signal lamp (s) stuck on	Circuit fault	Check the bulb and fuse condition. Check the trailer turn signal lamp circuit. Refer to applicable System Wiring Diagram(s)
Trailer reverse lamp(s) inoperative	Bulb failure Fuse(s) blown Circuit fault Trailer reverse lamp relay fault	Check the bulb and fuse condition. Check the trailer reverse lamp circuit. Check the trailer reverse lamp relay function. Refer to applicable System Wiring Diagram(s)
Trailer reverse lamp(s) dim	Circuit fault Trailer reverse lamp relay fault	Check the bulb condition and rating. Check the trailer reverse lamp circuit. Check the trailer reverse lamp relay function. Refer to applicable System Wiring Diagram(s)
Trailer reverse lamp(s) stuck on	Circuit fault Trailer reverse lamp relay fault	Check the trailer reverse lamp circuit. Check the trailer reverse lamp relay function. Refer to applicable System Wiring Diagram(s)
Warning lamp(s) inoperative	Fuse(s) blown Circuit fault Instrument cluster fault	Check the fuse(s). Check the warning lamp circuit. Refer to applicable System Wiring Diagram(s). Check for DTCs indicating an instrument cluster or CAN system fault
Trailer socket battery feed missing	Fuse(s) blown Circuit fault	Check the fuse condition. Check the trailer battery feed circuit. Refer to applicable System Wiring Diagram(s)
Trailer socket ignition feed missing	Fuse(s) blown Circuit fault Trailer socket relay faulty	Check the fuse condition. Check the trailer ignition feed circuit. Check the trailer ignition feed relay operation. Refer to applicable System Wiring Diagram(s)