Chrysler 300M 2002 Service Manual page 2699

DRIVEABILITY - NGC
Symptom:
P0850-PARK/NEUTRAL SWITCH PERFORMANCE
When Monitored and Set Condition:
P0850-PARK/NEUTRAL SWITCH PERFORMANCE
When Monitored: Continuously with the transmission in Park, Neutral, or Drive and
NOT in Limp-in mode.
Set Condition: The PCM detects an incorrect Park/Neutral switch state for a given mode
of vehicle operation. Two Trip Fault.
INTERMITTENT PARK/NEUTRAL SWITCH
TRANSMISSION DTC(S)
PCM
TEST
1 Ignition on, engine not running.
With the DRBIII , read PCM DTCs and record the related Freeze Frame data.
Is the Good Trip Counter displayed and equal to zero?
Yes → Go To 2
→ Go To 3
No
2 Turn the ignition on.
With the DRBIII , check the Transmission DTCs.
Are there any Transmission DTCs present?
Yes → Refer to the appropriate Transmission DTC in the Transmission
→ NOTE: Before continuing, check the PCM harness connector
No
POSSIBLE CAUSES
ACTION
category.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
terminals for corrosion, damage, or terminal push out. Repair as
necessary. Replace and program the Powertrain Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
270
APPLICABILITY
All
All