Chrysler Concorde 2004 Service Manual page 1265

P0841-LR PRESSURE SWITCH SENSE CIRCUIT —
TEST
10 Turn the ignition off to the lock position.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Remove the Transmission Control Relay.
Note: Check connectors - Clean/repair as necessary.
Connect a jumper wire between the Fused B+ circuit and the Transmission Control
Relay Output circuit in the Transmission Control Relay connector.
Using a 12-volt test light connected to ground, check the Transmission Control Relay
Output circuit in the Transmission Solenoid/Pressure Switch Assembly harness
connector.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?
Yes → Go To 11
→ Repair the Transmission Control Relay Output circuit for an
No
11 Using the schematics as a guide, inspect the wiring and connectors. Repair as
necessary. Pay particular attention to all power and ground circuits.
If there are no possible causes remaining, view repair.
Repair
12 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 shorted and open circuits.
With the DRBIII , check the EATX EVENT DATA to help identify the conditions in
which the DTC was set.
Were there any problems found?
Yes → Repair as necessary.
→ Test Complete.
No
ACTION
open. If the fuse is open make sure to check for a short to ground.
Perform 42LE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
Replace the Powertrain Control Module per the Service Informa-
tion. WITH THE DRBIII
REPROGRAM PINION FACTOR.
Perform 42LE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
Perform 42LE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
TRANSMISSION - NGC
PERFORM QUICK LEARN AND
105
Continued
APPLICABILITY
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All
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