2003 Dodge Caravan speedometer/tachometer

Tiny
NELSON HART
  • MEMBER
  • 2003 DODGE CARAVAN
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 108,000 MILES
Disconnected ground on battery to clean. When finished the speedometer and tachometer does not work. Suggestions?
Saturday, September 5th, 2009 AT 11:50 AM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Try this usally fixes it:
DIAGNOSIS AND TESTING - SELF-DIAGNOSTICS The instrument clusters are equipped with a self diagnostic test feature to help identify electronic problems. Prior to any test, perform the Self-Diagnostic Test. The self diagnostic system displays instrument cluster stored fault codes in the odometer display, sweeps the gauges to the calibration points, and bulb checks the warning indicators. When the key is in the ON position with the engine not running, the MIL will remain illuminated for regulatory purposes. To activate the Self-Diagnostic program: 1. With the ignition switch in the OFF position, depress the TRIP ODOMETER RESET button. 2. Continue to hold the TRIP ODOMETER RESET button until Sof and a number (software version number (i.E. Sof 3.2 ) appears in the odometer window then release the button. If a fault code is present, the cluster will display it in the odometer display. When all fault codes have been displayed, the cluster will display "end" in the odometer display. Refer to the INSTRUMENT CLUSTER DTC'S table to determine what each trouble code means.
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Saturday, September 5th, 2009 AT 1:54 PM

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