LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 549 (DTCS P0308 To P0462) >> Diagnosis And Testing >> P0453-NVLD Pressure Switch Stuck Open >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(K107) NVLD SWITCH SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE
(K107) NVLD SWITCH SIGNAL CIRCUIT OPEN
(K107) NVLD SWITCH SIGNAL CIRCUIT SHORTED TO THE (K106) NVLD SOLENOID CONTROL CIRCUIT
(Z42) GROUND CIRCUIT OPEN
NVLD ASSEMBLY
PCM

Always perform  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  before proceeding.