Chrysler PT Cruiser 2001 Service Manual Supplement page 2881

P1793-TRD LINK COMMUNICATION ERROR —
TEST
2 With the DRBIII , read Transmission DTC's.
Are any of the following codes present also? P-1716, P-0731, P-0732, P-0733, P-0734,
P-1736.
Yes → If any of these codes are present, disregard the P-1793 DTC and
→ Go To 3
No
3 With the DRBIII , Check the STARTS SINCE SET counter.
Note: This counter only applies to the last DTC set.
Is the STARTS SINCE SET equal to zero?
Yes → Go To 4
→ Go To 9
No
4 Turn ignition off to the lock position.
Disconnect the PCM harness connector.
Disconnect the TCM harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the Torque Management Request Sense circuit from the
TCM connector to the PCM connector.
Is the resistance above 5.0 ohms?
Yes → Repair the open Torque Management Request Sense circuit.
→ Go To 5
No
5 Turn ignition off to the lock position.
Disconnect the PCM harness connector.
Disconnect the TCM harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between the Torque Management Request Sense circuit and
ground.
Is the resistance below 5.0 ohms?
Yes → Repair Torque Management Request Sense circuit short to
→ Go To 6
No
6 Turn ignition off to the lock position.
Disconnect the TCM harness connector.
Ignition on, engine not running.
Measure the voltage of the Torque Management Request Sense circuit in the TCM
connector.
Is the voltage above 10.5 volts?
Yes → Repair Torque Management Request Sense circuit short to volt-
→ Go To 7
No
ACTION
refer to the symptom list for the other DTC'(s).
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
ground.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
age.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Continued
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TRANSMISSION
APPLICABILITY
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