HELP code U0168 WCM or key FOB
My truck started and died the other night
.the next day it started and its been fine since then
.I went to the dealer and they said it had a U0168 code.Wireless control module or bad key fob.any help will great
Richard
.the next day it started and its been fine since then
.I went to the dealer and they said it had a U0168 code.Wireless control module or bad key fob.any help will greatRichard
Cummins Guru


Joined: Feb 2008
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From: Sunny Southern California Land of Fruits and Nuts
Remove the IOD fuse for 10 minutes and then install it. Removal of the IOD fuse has reset the WCM and in a number of recent cases has restored functionality to the module. If that doesn't work may need a new key fob
Each ignition key (2) used in the Sentry Key Immobilizer System (SKIS) has a transponder chip included on the circuit board (4) beneath the cover (1) of the integral Remote Keyless Entry (RKE) transmitter (3). In addition to having to be cut to match the mechanical coding of the ignition lock cylinder and programmed for operation of the RKE system, each new Sentry Key has a unique transponder identification code that is permanently programmed into it by the manufacturer, and which must be programmed into the Sentry Key REmote Entry Module (SKREEM) (also known as the Wireless Control Module/WCM) to be recognized by the SKIS as a valid key.
The Sentry Key transponder cannot be adjusted or repaired. If ineffective or damaged, the entire key and RKE transmitter unit must be replaced.
Each ignition key (2) used in the Sentry Key Immobilizer System (SKIS) has a transponder chip included on the circuit board (4) beneath the cover (1) of the integral Remote Keyless Entry (RKE) transmitter (3). In addition to having to be cut to match the mechanical coding of the ignition lock cylinder and programmed for operation of the RKE system, each new Sentry Key has a unique transponder identification code that is permanently programmed into it by the manufacturer, and which must be programmed into the Sentry Key REmote Entry Module (SKREEM) (also known as the Wireless Control Module/WCM) to be recognized by the SKIS as a valid key.
The Sentry Key transponder cannot be adjusted or repaired. If ineffective or damaged, the entire key and RKE transmitter unit must be replaced.
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