Instruments - Fuel Gauge Drops To 'EMPTY'

Date: September 27, 2006
Order No.: T-B-47.00/41
Supersedes:
Group: 47

SUBJECT:
Model 164.175/186, Up to VIN A088895

Model 164.871, Up to VIN A077783

Model 251.165/175, Up to VIN A017709

Fuel Gauge Reads Empty

If you receive customer reports in the above model vehicles of the fuel gauge dropping to empty with no activation of the reserve light and the below symptoms, this may be resolved by updating the instrument cluster fuel parameters per the below procedure.

- No faulty fuel pump found in the fuel system

- No obstructions found in the fuel tank

- Includes fault code 9135 "Fuel tank sensor tight recognition: The signal from the fuel tank sensor 2 is not plausible" in the instrument cluster

To update fuel parameters, SCN code the instrument cluster per DTB T-B-54.30/136d, "Instrument Cluster SCN Coding for Component Replacement or Dealer Installed Accessories" or S-B-58.00/144a "On-Line SCN Coding Instructions for the STAR Diagnosis System".