The Fuel Gauge Fluctuates - keywords cluster erratic intermittent IPC sensor
| Subject: | The Fuel Gauge Fluctuates |
| Models: | 2006-2007 Buick Rendezvous 3.5L |
This PI was superseded to remove the service cal part numbers. Please disarcd PIT4051B.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
Some customers may report the fuel gauge fluctuates or operates erratic on their 2006-07 Buick Rendezvous equipped with the (LX9) engine. Engineering has determined that the PCM (Power Control Module) calibration needs to be updated.
Recommendation/Instructions:
Reprogram the PCM with the latest calibration available on TIS2WEB for the appropriate (Delphi or Siemens) EGR valve and retest.
Note: This new calibration will address fuel gauge fluctuation concerns for customers who typically park their vehicle on an incline.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
