Instruments - Fuel Gauge Won't Rear FULL After Fill-Up

No: 86/16/03/NAS
Ref:
Issue: 1
Date: 12/05/03

Inaccurate Fuel Gauge Reading at "Full"

AFFECTED VEHICLE RANGE:

New Range Rover (LM) up to 4A154473

NOTE:
A vehicle after the safe VIN 4A154473 that has had work performed using a TestBook/T4 disc before "Range Rover 10" may experience this complaint also because older software can have been loaded.

Service Action B136 dealt with this issue for vehicles in Retailer inventory.

SITUATION:

FUEL GAUGE READS BELOW THE FULL MARK

The customer may complain that the fuel gauge does not indicate "full" when the vehicle has been filled with fuel. Vehicles within the above VIN range may require a software update. An error within early instrument pack software causes an incorrect fuel gauge level reading when the fuel tank is actually filled to capacity.

RESOLUTION:

PROGRAM INSTRUMENT PACK

Should a customer complain that the fuel gauge does not read correctly, re-configure the instrument pack following the procedure outlined below using TestBook/T4 CD Range Rover 10.

PARTS INFORMATION:

None required

TOOL INFORMATION:

CAUTION:
Use only Range Rover TestBook/T4 disc version 10 or later to ensure that the fuel gauge calibration is set to have the gauge read to the full mark. TestBook/T4 disc .."Range Rover 10" or later

AS400 WARRANTY CLAIMS (CANADA ONLY)

19.90.89/28 Time 0.30 hrs.
Re-configure Instrument pack

FAULT CODE: A

DDW WARRANTY CLAIMS:





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

Normal warranty policy and procedures apply.
Material allowance is included in labor operation.

REPAIR PROCEDURE

RE-CONFIGURE INSTRUMENT PACK USING TESTBOOK/T4

CAUTION:
Use only "Range Rover 10" TestBook/T4 disc or a later version to adjust the fuel gauge reading on an original instrument pack. This will ensure that the fuel gauge calibration is set to have the gauge read to the full mark.

CAUTION:
Installation of a new "virgin" replacement Instrument Pack requires the use of the New Range Rover TestBook/T4 disc "DJL0D04" to initialize the programming of the virgin Instrument Pack. The "Range Rover 10" disc can then be used to adjust the fuel gauge reading to the correct configuration. Consult with the Technical HelpLine for assistance if required.

1. Connect TestBook/T4 to the vehicle and load disc Range Rover 10 or a later version.

2. Follow the on-screen instructions and select "Vehicle Configuration".

3. Follow the on-screen instructions and select "Re-configure ECU".

4. When asked to re-apply Personalization select "YES" and follow the on screen instructions.

5. Follow the on screen instructions and select "Fault Code Diagnostics".

NOTE:
Fault codes must be cleared before TestBook/T4 is disconnected.

6. Clear any fault codes that are stored.

7. Disconnect TestBook/T4 from the vehicle.