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| TECHNICAL BULLETIN | No: LTB00139
Issue: 1 Date: 17 July 2008 |
SECTION: 418
Engine Idle Vibration in Park or Neutral – Repair Procedure
AFFECTED VEHICLE RANGE:
| Range Rover (LM) | Normally Aspirated Only | VIN: | 6A194480 – 8A293039 |
| Model Year: | 2006 – 2008 |
CONDITION SUMMARY:
Situation: During the engine warm-up period and intermittently when fully-warmed and the transmission in either Park (P) or Neutral (N), drivers may experience an engine idle vibration. Small changes in engine torque causes a change in ignition timing, causing the engine idle to be unstable.
Action: In the event of a customer concern of the above, follow the Repair Procedure in this bulletin to reconfigure the Engine Control Module (ECM) and Transmission Control Module (TCM).
PARTS:
No parts necessary
TOOLS:
Latest IDS DVD; software first available on DVD112 Patch File 8
Midtronics PSC-550 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.
| Description | SRO | Time (hours) | Condition Code | Causal Part |
|---|---|---|---|---|
| Reconfigure the engine control module (ECM) and transmission control module (TCM) | 12.90.14 | 0.50 | 42 | NNN500550 |
Normal warranty policy and procedures apply.
REPAIR PROCEDURE
RECONFIGURE THE ENGINE AND TRANSMISSION CONTROL MODULES
CAUTION: A Midtronics PSC-550 Vehicle Power Supply must be connected to the vehicle battery during diagnosis.
- Connect the Midtronics PSC-550 Vehicle Power Supply to the vehicle battery.
NOTE: IDS must be loaded with software release DVD 112 with Patch File 8 or later.
- Connect the IDS to the vehicle and begin a new diagnostic session by entering the correct VIN for the current vehicle.
- Follow the IDS prompts to read the vehicle configuration.
- Select ‘No’ when prompted ‘Do you wish to read diagnostic trouble codes?’
- Select ‘tick’ to continue.
- Select the ‘Vehicle Configuration’ tab when Content Model is displayed.
- From the Vehicle Configuration menu, configure the Engine control module by selecting from the drop-down menu:
- ‘Module programming’ > ‘Configure existing module’ > ‘Petrol powertrain control module’
- Select ‘tick’ to continue, following all on-screen instructions to complete this task.
- IDS will return to the Vehicle Configuration menu when completed.
- From the Vehicle Configuration menu, configure the Transmission control module by selecting from the drop-down menu:
- ‘Module programming’ > ‘Configure existing module’ > ‘Transmission control module’ 10. Select ‘tick’ to continue, following all on-screen instructions to complete this task.
- IDS will return to the Vehicle Configuration menu when completed.
- Exit the current session.
- Disconnect IDS and the Midtronics PSC-550 Vehicle Power Supply from the vehicle.
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JLR Symptom Driven Diagnostics (SDD) for Independent Repairers: Diagnostic Software / Module programming subscriptions – without security access – can be purchased via TOPIx (From the User ID – Options Menu – Programming subscriptions – click add). Module programming – with security access – is necessary to program the IPC, BCM, ECM (PCM), KVM, as well as keys. Licensed locksmiths and independent repairers must be active members of the National Automotive Service Task Force (NASTF) Vehicle Security Professional (VSP) registry and will need to purchase a subscription to Independent Module Programming with Security Access to program these components. Currently we are only able to support yearly module programming subscriptions with security access. SDD will only support Jaguar vehicles built from 1995 MY onward.
