Diagnostic Procedure

NOTE: Normal warranty procedures apply

CAUTION: This procedure requires a minimum of SDD 152.05 and Software Management Pack 290 loaded or later

NOTE: The Jaguar Land Rover (JLR) approved diagnostic equipment will read the Vehicle Identification Number (VIN) for the vehicle and automatically take the vehicle out of 'Transportation mode' if required

Make sure the Terrain Response switchpack (TR) and the Transfer Case Control Module (TCCM) have the latest software updates installed.
1. Connect the JLR approved battery support unit
2. Connect the JLR approved diagnostic equipment to the vehicle and begin a new session
3. Follow the JLR approved diagnostic equipment prompts
  - Click here to run: Configure existing module - Transfer case control module. (152.05/52700)
4. If the hyperlink is not available, the application can be found as follows:
  - Select the 'Diagnosis' session type.
  - Select the following symptom:
  - Powertrain - Automatic transmission and transaxle - Automatic transmission and transaxle symptoms - Transfer case inconsistent operation.
5. Run and close the 'Datalogger' tool to reveal the 'Extras' tab, select the 'Extras' tab.
6. Run 'Configure existing module - Transfer case control module'
7. Disconnect the JLR approved diagnostic equipment and the JLR approved battery support unit.
NOTE: The vehicle Is more likely to experience judder if the vehicle is fitted with an electronic rear differential
Inspect and identify what type of rear differential is installed. Is the vehicle fitted with the mechanical rear differential or the electronic rear differential?
1. If the electronic rear differential is installed, continue to step 3
2. If the mechanical rear differential is installed, continue to step 4
Unplug the electronic rear differential and complete a vehicle road test, the road test should include maneuvering the vehicle around corners and roundabouts, in both high range and low range drive where possible
1. If the judder is still present after completing a vehicle road test, reconnect the electronic rear differential and continue to step 4
2. If the judder is not present after completing a vehicle road test, investigate the electronic rear differential
Flush the transfer case oil (see TRANSFER CASE DRAINING AND FILLING )
Complete a vehicle road test, the road test should include maneuvering the vehicle around corners and roundabouts, in both high range and low range drive where possible. Make sure the test drive is long enough to get the oil up to normal operating temperature
1. If the judder is not present after completing a vehicle road test, do not continue with this procedure
2. If the judder is still present after completing a vehicle road test, replace the transfer case