Grand Caravan FWD V6-229 3.8L VIN L MFI (1997)
Fuel Gauge: Testing and Inspection
About Diagnostic Procedures
These vehicle instrument clusters are equipped with a self diagnostic test feature to help identify electronic problems. Prior to any test, perform the Self
Diagnostic Test, found under Cluster Diagnostics/Calibration at the Instrument Panel System level Testing and Inspection. See: Testing and Inspection
The self diagnostic system monitors the CCD bus messages. If an electronic problem occurs, a Diagnostic Trouble Code (DTC) will be displayed in the
odometer window of the cluster.
The following CCD bus messages are continuously monitored by the diagnostic system:
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Body Control Module
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Powertrain Control Module
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Transmission Control Module, if equipped
NOTE: Additional diagnostic information can be found at Body Control Module, Testing and Inspection, Diagnostic Charts. See: Body and
Frame/Body Control Systems/Body Control Module/Testing and Inspection