Chrysler PT Cruiser 2001 Service Manual Supplement page 2833

P1716-BUS COMMUNICATION WITH PCM —
TEST
4 Ignition on, engine not running.
With the DRBIII , erase TCM DTC's.
Start the engine in park.
With the DRBIII , read Transmission DTC's.
Did code P-1716 return?
Yes → Replace the TCM.
→ Go To 6
No
5 With the DRBIII , check all of the other modules on the vehicle for evidence of a
vehicle bus problem.
Bus related DTC's in other modules point to an overall vehicle bus problem. Other
symptoms such as a customer complaint of intermittent operation of bus controlled
features also indicate a bus problem.
Does the PRNDL display indicate No Bus or is there any evidence of an overall
vehicle bus problem?
Yes → Refer to the Communications category for the related symp-
→ Go To 6
No
6 The conditions necessary to set the DTC are not present at this time. Using the
schematics as a guide, inspect the wiring and connectors specific to this circuit.
Wiggle the wires while checking for shorts and open circuits.
Were any problems found?
Yes → Repair wiring and/or connector as necessary.
→ Test Complete.
No
ACTION
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
tom(s).
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Continued
85
TRANSMISSION
APPLICABILITY
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All
All