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Home >> Chrysler >> 2021 >> Voyager LX, Gas >> Repair and Diagnosis >> Transmission >> Automatic Trans >> 948TE/9HP48 Automatic Transmission - DTCS P0219-00 To P1728-00 >> DTC Troubleshooting >> P0974-00-Shift Solenoid 1 Control Circuit High >> Possible Causes

Possible Causes

Possible Causes
SOLENOID SUPPLY 1 CIRCUIT OPEN
SOLENOID SUPPLY 1 CIRCUIT SHORTED TO GROUND
SOLENOID SUPPLY 1 CIRCUIT SHORTED TO ANOTHER CIRCUIT
DOG CLUTCH A SOLENOID CIRCUIT OPEN
DOG CLUTCH A SOLENOID CIRCUIT SHORTED TO GROUND
DOG CLUTCH A SOLENOID CIRCUIT SHORTED TO VOLTAGE
DOG CLUTCH A SOLENOID
TRANSMISSION CONTROL MODULE (TCM)
NOTE:

In the schematic below, the T41/L1 and T42/L2 circuits are only present in Shift by Cable applications.

GC0186833Courtesy of CHRYSLER GROUP, LLC

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .