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moparfl, ASE Certified Technician
Category: Chrysler
Satisfied Customers: 6330
Experience:  ASE and CHRYSLER Master Tech 30 years Chrysler Dodge&Jeep Dealership Exp
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1989 chrysler new yorker landau: the gauges and speedometer

Resolved Question:

I have a 1989 chrysler new yorker landau with a digital instrument cluster. Once in a while times the cluster acts erratic; the gauges and speedometer don't display but the cluster is still illuminated. After a few minutes, it returns to normal. I ran a cluster test when it wasn't working and the codes were:
905; 920; 940 and then 999 -- can you tell me what these codes mean?
Submitted: 6 years ago.
Category: Chrysler
Expert:  moparfl replied 6 years ago.


110Instrument cluster failureReplace instrument cluster and retest
900Lack of all messagesFault not within instrument cluster
905Bus loop failureReplace instrument cluster and retest
920Lack of messages from Body ComputerFault not within instrument cluster
921Lack of messages from Body ComputerReplace Body Computer and retest
940Lack of messages from Engine ControllerFault not within instrument cluster
999End of codesN/A
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