A/T - Harsh 1-2 Transmission Shift
LTB00518NAS107 FEB 2013
SECTION: 303-14D
Harsh 1-2 Transmission Shift
AFFECTED VEHICLE RANGE:
Model Year: 2013
Range Rover (LG) - 5.0L
Supercharged only
VIN: DA100499-DA108915
MARKETS:
NAS
CONDITION SUMMARY:
Situation:
A harsh 1-2 transmission upshift / driveline shunt may be experienced when accelerating with a low accelerator pedal input and then lifting off the accelerator pedal at low speed during the first to second gear
change point.
Cause:
This may be caused by the Engine Control Module (ECM) software.
Action:
In the event of a customer concern of the above, refer to the Repair Procedure outlined below.
PARTS:
No Parts Required
TOOLS:
IDS with latest IDS-DVD and Calibration File; first available on
DVD132.05 v.125
Jaguar Land Rover-approved Midtronics Vehicle Power Supply
WARRANTY:
REPAIR PROCEDURE:
1. CAUTION: Ensure all ignition 'ON' / ignition 'OFF' requests are carried out; failure to perform these steps may cause damage to control modules in the vehicle.
CAUTION:
A Jaguar Land Rover-approved Midtronics Vehicle Power Supply must be connected to the vehicle battery during IDS / SDD diagnosis / module programming.
NOTE:
IDS must be loaded with DVD132.05 v.125 or later.
Connect the Jaguar Land Rover-approved Midtronics Vehicle Power Supply to the vehicle battery.
2. Turn ignition 'ON' (engine not running).
3. Connect the IDS to the vehicle and begin a new Symptom Driven Diagnostics (SDD) session.
4. Follow the on-screen prompts, allowing SDD to read the VIN and identify the vehicle.
5. Where no internet connection for the IDS is available:
1. From the Session Type selection screen, choose 'Diagnosis'.
2. Select the 'Selected Symptoms' tab, and then select the following:
Powertrain > Automatic transmission and transaxle > Automatic transmission and transaxle symptoms > Harsh gear change
3. Select 'continue'.
4. Select the 'Recommendations' tab.
5. From the Recommendations tab, select 'Run' to perform the 'Configure existing module - Powertrain control module' option.
6. Follow all on-screen instructions to complete this task.
7. Exit the current session.
8. Disconnect the IDS and the vehicle power supply from the vehicle.
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