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Home >> Jeep >> 2024 >> Grand Cherokee Altitude X, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (8HP75 Automatic Transmission - DTCS P0721-00 To P0815-00) >> DTC Troubleshooting >> P0815-00 - Upshift Switch Circuit >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
OPEN PADDLE SWITCH SIGNAL CIRCUIT
PADDLE SWITCH RETURN CIRCUIT SHORTED TO GROUND
PADDLE SWITCH RETURN CIRCUIT SHORTED TO BATTERY
PADDLE SWITCH SIGNAL CIRCUIT SHORTED TO GROUND
PADDLE SWITCH SIGNAL CIRCUIT SHORTED TO BATTERY
OPEN PADDLE SHIFT GROUND CIRCUIT
PADDLE SWITCH
STEERING COLUMN CONTROL MODULE (SCCM)
TRANSMISSION CONTROL MODULE (TCM)

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