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 CAUSES	ACTION
Warning message: TRACTION REDUCED - 2 WHEEL DRIVE ONLY	Transfer case clutch cooling strategy invoked due to extreme use of the all wheel drive system All wheel drive system fault Anti-lock brake system fault Engine system fault Power distribution system fault High speed CAN bus (chassis) circuit short circuit to ground, short circuit to power, open circuit, high resistance High speed CAN bus (powertrain) circuit short circuit to ground, short circuit to power, open circuit, high resistance Transfer case control module power or ground circuit open circuit, high resistance Transfer case clutch not engaging Electric hydraulic pump failure Transfer case control module internal failure	NOTE: No DTCs will be set during a transfer case clutch over temperature event. When the system has cooled, normal all wheel drive operation will resume and the warning message will extinguish. Using the Jaguar Land Rover approved diagnostic equipment, check datalogger signal - Last Event Transfer Case Clutch % of Max Operating Temperature (0x071A). Allow the vehicle to cool and retest Using the Jaguar Land Rover approved diagnostic equipment, check the transfer case control module for related DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, check the anti-lock brake system control module for related DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, check the engine control module for related DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, check the gateway module for related DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the applicable System Wiring Diagrams and check the high speed CAN bus (chassis) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the applicable System Wiring Diagrams and check the high speed CAN bus (powertrain) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary Refer to the applicable System Wiring Diagrams and check the transfer case control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary Check the operation of the transfer case clutch. GO to Pinpoint Test A . Install a new electric hydraulic pump. Drain and refill the transfer case fluid Install a new transfer case control module. Using the Jaguar Land Rover approved diagnostic equipment, re-configure the transfer case control module with the latest level software. Start the engine. Allow the engine to run for at least one minute. Clear the DTCs
No communication with the transfer case control module	Transfer case control module power or ground circuit open circuit, high resistance High speed CAN bus (chassis) circuit short circuit to ground, short circuit to power, open circuit, high resistance High speed CAN bus (powertrain) circuit short circuit to ground, short circuit to power, open circuit, high resistance Transfer case control module internal failure	Refer to the applicable System Wiring Diagrams and check the transfer case control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the applicable System Wiring Diagrams and check the high speed CAN bus (chassis) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the applicable System Wiring Diagrams and check the high speed CAN bus (powertrain) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary Install a new transfer case control module. Using the Jaguar Land Rover approved diagnostic equipment, re-configure the transfer case control module with the latest level software. Start the engine. Allow the engine to run for at least one minute. Clear the DTCs
All wheel drive performance poor or inoperative - Rear wheel flare when pulling away or excessive over steer	Transfer case clutch cooling strategy invoked due to extreme use of the all wheel drive system All wheel drive system fault Anti-lock brake system fault Engine system fault Power distribution system fault High speed CAN bus (chassis) circuit short circuit to ground, short circuit to power, open circuit, high resistance High speed CAN bus (powertrain) circuit short circuit to ground, short circuit to power, open circuit, high resistance Transfer case control module power or ground circuit open circuit, high resistance Transfer case clutch not engaging Electric hydraulic pump failure Transfer case control module internal failure	NOTE: No DTCs will be set during a transfer case clutch over temperature event. When the system has cooled, normal all wheel drive operation will resume and the warning message will extinguish. Allow the vehicle to cool and retest Using the Jaguar Land Rover approved diagnostic equipment, check the transfer case control module for related DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, check the anti-lock brake system control module for related DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, check the engine control module for related DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, check the gateway module for related DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the applicable System Wiring Diagrams and check the high speed CAN bus (chassis) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the applicable System Wiring Diagrams and check the high speed CAN bus (powertrain) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary Refer to the applicable System Wiring Diagrams and check the transfer case control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary Check the operation of the transfer case clutch. GO to Pinpoint Test A . Install a new electric hydraulic pump. Drain and refill the transfer case fluid Install a new transfer case control module. Using the Jaguar Land Rover approved diagnostic equipment, re-configure the transfer case control module with the latest level software. Start the engine. Allow the engine to run for at least one minute. Clear the DTCs
Noise, vibration and harshness	Excessive difference in tire circumference due to incorrect size, incorrect pressure or wear All wheel drive system fault Transfer case clutch not disengaging	Check that the wheels and tires comply with the manufacturer's specification for the vehicle. Check the tire pressures and condition. Rectify as necessary Using the Jaguar Land Rover approved diagnostic equipment, check the transfer case control module for related DTCs and refer to the relevant DTC index Check the operation of the transfer case clutch. GO to Pinpoint Test A . Check the condition of the transfer case fluid. GO to Pinpoint Test B .
Judder during low speed manoeuvring with high steering inputs	NOTE: At full lock, there will be some tyre scrubbing; as the temperature drops, scrubbing may be experienced as stick/slip judder. This is normal and does not require any service intervention Excessive difference in tire circumference due to incorrect size, incorrect pressure or wear Transfer case clutch not disengaging	Check that the wheels and tires comply with the manufacturer's specification for the vehicle. Check the tire pressures and condition. Rectify as necessary Check the operation of the transfer case clutch. GO to Pinpoint Test A . Check the condition of the transfer case fluid. GO to Pinpoint Test B .
Invalid all wheel drive information displayed on the touch screen (All Surface Information view)	Transfer case clutch cooling strategy invoked due to extreme use of the all wheel drive system All wheel drive system fault Anti-lock brake system fault Engine system fault Power distribution system fault High speed CAN bus (chassis) circuit short circuit to ground, short circuit to power, open circuit, high resistance High speed CAN bus (powertrain) circuit short circuit to ground, short circuit to power, open circuit, high resistance Transfer case control module power or ground circuit open circuit, high resistance Transfer case clutch not engaging Electric hydraulic pump failure Transfer case control module internal failure	NOTE: No DTCs will be set during a transfer case clutch over temperature event. When the system has cooled, normal all wheel drive operation will resume and the warning message will extinguish. Allow the vehicle to cool and retest Using the Jaguar Land Rover approved diagnostic equipment, check the transfer case control module for related DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, check the anti-lock brake system control module for related DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, check the engine control module for related DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, check the gateway module for related DTCs and refer to the relevant DTC index Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the applicable System Wiring Diagrams and check the high speed CAN bus (chassis) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test. Refer to the applicable System Wiring Diagrams and check the high speed CAN bus (powertrain) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary Refer to the applicable System Wiring Diagrams and check the transfer case control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary Check the operation of the transfer case clutch. GO to Pinpoint Test A . Install a new electric hydraulic pump. Drain and refill the transfer case fluid Install a new transfer case control module. Using the Jaguar Land Rover approved diagnostic equipment, re-configure the transfer case control module with the latest level software. Start the engine. Allow the engine to run for at least one minute. Clear the DTCs
Fluid leak	Transfer case breather pipe blocked Input shaft seal failure Front output shaft seal failure Rear output shaft seal failure Electric hydraulic pump seal failure Mating face seal failure Upper sump seal failure	NOTE: After rectifying a fluid leak, drain and refill the transfer case fluid. Using the Jaguar Land Rover approved diagnostic equipment, perform routine - Transfer Case Replacement. Check the transfer case breather pipe for blockages. Rectify as necessary Install a new input shaft seal Install a new front output shaft seal Install a new rear output shaft seal Install a new electric hydraulic pump seal Re-seal the transfer case mating faces Install a new upper sump seal