Chrysler PT Cruiser 2001 Service Manual Supplement page 2496

COMMUNICATION
Symptom:
P1698-NO CCD/J1850 MESSAGE FROM TCM
When Monitored and Set Condition:
P1698-NO CCD/J1850 MESSAGE FROM TCM
When Monitored: Equipped with automatic transmission, engine running, transmission
in drive, vehicle road speed and battery voltage greater than 10.4 volts.
Set Condition: No bus messages from the TCM for 10 seconds, two consecutive trips
required.
POWERTRAIN CONTROL MODULE
INTERMITTENT CONDITION
ATTEMPT TCM COMMUNICATION
TEST
1 Turn the ignition on.
With the DRB, read PCM codes.
Is the Good Trip Counter for P-1698 displayed and equal to zero?
Yes → Go To 2
→ Go To 3
No
2 Turn the ignition on.
Attempt to communicate with the Transmission Control Module (TCM).
Can communication be established with the TCM?
Yes → Replace the Powertrain Control Module in accordance with the
→ Refer to symptom NO RESPONSE FROM TCM in the COMMU-
No
POSSIBLE CAUSES
ACTION
Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
NICATION category.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
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APPLICABILITY
All
All