2010 Land Rover Range Rover (LM) V8-5.0L SC Technical Service Bulletin # TECLTB00308 Date: 100910

2010 Land Rover Range Rover (LM) V8-5.0L SC Technical Service Bulletin # TECLTB00308 Date: 100910

Engine Controls - Engine Shudder On Light Acceleration

No: LTB00308 (ISSUE 1)

10 SEPTEMBER 2010

SECTION: 303

Engine Shudder During Light-Throttle Acceleration

CONDITION SUMMARY:

Situation:

The engine may experience one or both of the following:

Engine shudder during light-throttle acceleration at low speed after pulling away from a stop.

Engine shudder during light-throttle tip-in during low speed cruise.

These issues may be caused by the knock sensor calibration being overly sensitive to electrical noise, resulting in false detections.

Action:

In the event of a customer concern of the above, refer to the Repair Procedure outlined below to update the Powertrain control module software.

PARTS:

No parts necessary

TOOLS:

IDS with latest IDS-DVD and Calibration File; first available on IDS-DVD122_V6.04 Calibration File 45 Land Rover-Approved Midtronics

Vehicle Power Supply

WARRANTY:

NOTE:

Repair procedures are under constant review, and therefore times are subject to change; those quoted here must be taken as guidance only.

Always refer to DDW to obtain the latest repair time.

DDW requires the use of causal part numbers. Labor only claims must show the causal part number with a quantity of zero.

Normal warranty policies and procedures apply.

REPAIR PROCEDURE

UPDATE THE POWERTRAIN CONTROL MODULE SOFTWARE

2010 Land Rover Range Rover (LM) V8-5.0L SC Page 182

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 Land Rover-approved Midtronics Vehicle Power Supply must be connected to the vehicle battery during IDS diagnosis / module

programming.

1. Connect the Land Rover-approved Midtronics Vehicle Power Supply to the vehicle battery.

2. Turn ignition ON (engine not running).

NOTE:

IDS must be loaded with IDS-DVD122_V6.04 or later and Calibration File 45 or later.

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. From the Session Type selection screen, choose 'Diagnosis'.

6. Select the 'Selected Symptoms' tab, and then select:

^ Powertrain > Engine system > Engine performance > Engine judders and shakes

7. Select continue.

8. Select the 'Recommendations' tab.

9. From the Recommendations tab, select Run to configure the Powertrain control module

^ Follow all on-screen instructions to complete this task.

10. Exit the current session.

11. Disconnect the IDS and the Midtronics Vehicle Power Supply from the vehicle.