4WD Control Module Diagnostic Trouble Code (DTC) Index - Electronic Shift

4WD CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) list

DTC	Description	Source	Action/Go to
B1317	Battery Voltage High	4WD control module	REFER to BATTERY AND CHARGING SYSTEM .
B1318	Battery Voltage Low	4WD control module	BATTERY AND CHARGING SYSTEM .
B1342	ECU is Defective	4WD control module	CLEAR the DTCs. REPEAT the 4WD control module self-test. If DTC B1342 is retrieved, INSTALL a new 4WD control module. REFER to FOUR-WHEEL DRIVE (4WD) CONTROL MODULE . CLEAR the DTCs. REPEAT the self-test.
B1483	Brake Pedal Input Circuit Failure	4WD control module	PINPOINT TEST C
B1485	Brake Pedal Input Short to Battery	4WD control module	PINPOINT TEST C
B2105	Throttle Position Input Out of Range Low	4WD control module	PINPOINT TEST A
B2106	Throttle Position Input Out of Range High	4WD control module	PINPOINT TEST A
C1729	Transfer Case Unable to Transition Between 4WD HIGH and 4WD LOW	4WD control module	PINPOINT TEST C
C1970	4WD Low Mode Switch LED Short to Battery	4WD control module	PINPOINT TEST C
C1971	4WD Low Mode Switch LED Circuit Failure	4WD control module	PINPOINT TEST C
P1707	Transfer Case Neutral Indicator Hard Fault Present	4WD control module	PINPOINT TEST C
P1812	Transmission 4-Wheel Drive Mode Select Circuit Failure	4WD control module	PINPOINT TEST A
P1815	Transmission 4-Wheel Drive Mode Select Short Circuit to Ground	4WD control module	PINPOINT TEST A
P1816	Transmission NEUTRAL Safety Switch Circuit Failure	4WD control module	PINPOINT TEST C
P1819	Transmission NEUTRAL Safety Switch Circuit Short to Ground	4WD control module	PINPOINT TEST C
P1824	Transmission 4-Wheel Drive Clutch Relay Circuit Failure	4WD control module	PINPOINT TEST A
P1826	Transmission 4-Wheel Drive Low Clutch Relay Short Circuit to Battery	4WD control module	PINPOINT TEST A
P1827	Transmission 4-Wheel Drive Low Clutch Relay Short Circuit to Ground	4WD control module	PINPOINT TEST A
P1836	Transmission Transfer Case Front Shaft Speed Sensor Circuit Failure	4WD control module	PINPOINT TEST A
P1837	Transmission Transfer Case Rear Shaft Speed Sensor Circuit Failure	4WD control module	PINPOINT TEST A
P1849	Transmission Transfer Case Contact Plate A Short Circuit to Ground	4WD control module	PINPOINT TEST C
P1853	Transmission Transfer Case Contact Plate B Short Circuit to Ground	4WD control module	PINPOINT TEST C
P1857	Transmission Transfer Case Contact Plate C Short Circuit to Ground	4WD control module	PINPOINT TEST C
P1861	Transmission Transfer Case Contact Plate D Short Circuit to Ground	4WD control module	PINPOINT TEST C
P1867	Transmission Transfer Case Contact Plate General Circuit Failure	4WD control module	PINPOINT TEST C
P1874	Transmission Automatic Hall Effect Sensor Power Circuit Failure	4WD control module	PINPOINT TEST A
P1875	Transmission Automatic Hall Effect Sensor Power Circuit Short to Battery	4WD control module	PINPOINT TEST A
P1891	Transmission Transfer Case Contact Plate Ground Return Open Circuit	4WD control module	PINPOINT TEST C
U1900	CAN Communication BUS Fault	4WD control module	REFER to MODULE COMMUNICATIONS NETWORK .
U1950	USB Communication BUS Fault	4WD control module	REFER to MODULE COMMUNICATIONS NETWORK .
U2023	External Node Fault	4WD control module	REFER to MODULE COMMUNICATIONS NETWORK .
U2226	Invalid UBP Data From PCM (Node 10)	4WD control module	REFER to MODULE COMMUNICATIONS NETWORK .
U2306	Invalid UBP Data From Instrument Cluster (Node 60)	4WD control module	REFER to MODULE COMMUNICATIONS NETWORK .
-	For All Other DTCs	4WD control module	REFER to MODULE COMMUNICATIONS NETWORK .