Four Wheel Drive (4X4) Module DTCs

FOUR WHEEL DRIVE (4X4) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description	Source	Action
B1317	Battery Voltage High	4WD Control Module	See CHARGING SYSTEM PINPOINT TEST 3: CHARGING SYSTEM OVERCHARGES (BATTERY VOLTAGE IS GREATER THAN 15.5 VOLTS) , .
B1318	Battery Voltage Low	4WD Control Module	See CHARGING SYSTEM PINPOINT TEST 1: BATTERY IS DISCHARGED OR BATTERY VOLTAGE IS LOW , .
B1319	Driver Door Ajar Circuit Failure	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 8: NEUTRAL TOW FUNCTIONAL TEST , .
B1322	Driver Door Ajar Circuit Short to Ground	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 8: NEUTRAL TOW FUNCTIONAL TEST , .
B1342	ECU is Defective	4WD Control Module	Clear all DTCs. RETRIEVE the DTCs. If DTC B1342 is still present, install a new 4WD control module. see 4WD CONTROL MODULE REMOVAL / INSTALLATION . Test the system for normal operation.
B1483	Brake Pedal Input Circuit Failure	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 8: NEUTRAL TOW FUNCTIONAL TEST , .
B1485	Brake Pedal Input Battery Short	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 8: NEUTRAL TOW FUNCTIONAL TEST , .
B1555	Ignition Run/Start Circuit Failure	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 2: VEHICLE DOES NOT SHIFT BETWEEN 2WD AND 4WD MODES CORRECTLY , .
C1728	Transfer Case Unable to Transition Between 2WD HIGH and 4x4 HIGH	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 2: VEHICLE DOES NOT SHIFT BETWEEN 2WD AND 4WD MODES CORRECTLY , .
C1729	Transfer Case Unable to Transition Between 4x4 HIGH and 4x4 LOW	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 3: VEHICLE DOES NOT SHIFT BETWEEN 4WD HIGH AND 4WD LOW MODES CORRECTLY , .
P1707	Neutral Tow Indicator Circuit Failure	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 8: NEUTRAL TOW FUNCTIONAL TEST , .
P1812	Transmission 4WD Mode Select Circuit Failure	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 2: VEHICLE DOES NOT SHIFT BETWEEN 2WD AND 4WD MODES CORRECTLY , .
P1815	Transmission 4WD Mode Select Short Circuit to Ground	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 2: VEHICLE DOES NOT SHIFT BETWEEN 2WD AND 4WD MODES CORRECTLY , .
P1816	Transmission Neutral Safety Switch Circuit Failure	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 3: VEHICLE DOES NOT SHIFT BETWEEN 4WD HIGH AND 4WD LOW MODES CORRECTLY , .
P1819	Transmission Neutral Safety Switch Short Circuit to Ground	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 3: VEHICLE DOES NOT SHIFT BETWEEN 4WD HIGH AND 4WD LOW MODES CORRECTLY , .
P1849	Transmission Transfer Case Contact Plate A Short Circuit to Ground	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 2: VEHICLE DOES NOT SHIFT BETWEEN 2WD AND 4WD MODES CORRECTLY , .
P1853	Transmission Transfer Case Contact Plate B Short Circuit to Ground	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 2: VEHICLE DOES NOT SHIFT BETWEEN 2WD AND 4WD MODES CORRECTLY , .
P1857	Transmission Transfer Case Contact Plate C Short Circuit to Ground	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 2: VEHICLE DOES NOT SHIFT BETWEEN 2WD AND 4WD MODES CORRECTLY , .
P1861	Transmission Transfer Case Contact Plate D Short Circuit to Ground	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 2: VEHICLE DOES NOT SHIFT BETWEEN 2WD AND 4WD MODES CORRECTLY , .
P1867	Transmission Transfer Case Contact Plate General Circuit Failure	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 2: VEHICLE DOES NOT SHIFT BETWEEN 2WD AND 4WD MODES CORRECTLY , .
P1891	Transmission Transfer Case Contact Plate Ground Return Open Circuit	4WD Control Module	See TRANSFER CASE ELECTRONIC SHIFT PINPOINT TEST 2: VEHICLE DOES NOT SHIFT BETWEEN 2WD AND 4WD MODES CORRECTLY , .
U0100	CAN Communication Bus Fault - Received Error From PCM	4WD Control Module	Diagnose the module communication network. See COMMUNICATIONS NETWORK , .
U2050	Application Not Present	4WD Control Module	Method 3 programming fault. See PROGRAMMABLE MODULE INSTALLATION , .