Question about 2000 Dodge Durango
From the official Durango shop manual......(abbreviated)
Self Diagnosis Test
Vehicle key position is OFF ,or able to pull key out.
Hold in the trip odometer button (dont release yet)
Turn key to the ON position (one notch), but DON'T try to start the engine
Continue holding the trip button for about 10-12 seconds until CHEC appears in the odometer display
Release the trip button.
Series of three digit numeric failure codes may appear.
If no failure message appears, the self diagnostic test will proceed as described in step 6
110- cluster CPU,RAM,EEPROm failure, replace cluster
900-CCD data bus not operational, check CCD data bus connections at cluster, check the cluster fuses,check the CCD data bus bias, cehck the CCD data bus voltage, check the CCD data bus terminations.
920-cluster is not recieving a vehicle speed message from the PCM, check PCM software level and reflash if required, use the ($2500+) DRBIII scan tool to verify the vehicle speed message is being sent by the PCM
921-the cluster is not recieveing a distance pulse message from PCM,check PCM software level and reflash if required, use the ($2500+) DRBIII scan tool to verify the distance pulse message is being sent by the PCM
940-the cluster is not recieving an airbag lamp-on message from the ACM, check the CCD data bus connections at the ACM, check the ACM fuse.
950-cluster not recieving an ABS lamp-on message from the CAB, check CCD data bus connections at the ACM, check the ACM fuse.
960- clsuter not recieving a PRND21 message from the TCM, check the CCD data bus connections at the TCM, check the TCM fuse.
999-An error has been discovered, record the failure message, depress the trip odometer reset button to continue the Self-Diagnostic Test
Instrument cluster will test each segment of the odometer (all first, then each one seperately)
The instrument cluster will return to normal operation at the completion of test, if ignition switch turned off, or a vehicle speed message indicating movement recieved from the PCM on the CCD data bus.
Hope that help you or anyone else in future.
Posted on Oct 03, 2008
Its the ECM, the main computer, same happened to mine and had it replaced and have not had trouble since
Posted on Oct 17, 2008
SOURCE: my odometer code no bus
Check for a faulty crank sensor. Sounds strange, but we found this out the hard way in the dealerships,many years ago. Following the trouble tree usually lead to pcm replacement, and it still wouldn't run.
Posted on Oct 10, 2011
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Posted on Jan 02, 2017
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