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Home >> Mercedes Benz >> 2024 >> eSprinter Base, _NA_ >> Repair and Diagnosis >> External Pages >> Different car >> Section 2339 (Transfer Case - Four-Wheel Drive (4WD) System - Diagnostics -- F250-F550 Super Duty) >> Diagnostic Tests >> Four Wheel Drive (4WD) Systems - Electronic Shift >> Inspection and Verification >> 4X4 Control Module DTC Chart

4X4 Control Module DTC Chart

WARNING: This page is about a different car, the 2009 Ford Pickup, 2009 Ford F550 Super Duty, 2009 Ford F450 Super Duty, and 2009 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: After repairing the cause of the four wheel drive (4WD) system faults, the engine must be started in order to clear the 4X4 control module DTCs.
4X4 CONTROL MODULE DTC CHART

DTC Description Source Action
B1317 Battery Voltage High 4X4 Control Module REFER to CHARGING SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B1318 Battery Voltage Low 4X4 Control Module REFER to CHARGING SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B1342 ECU is Defective 4X4 Control Module CLEAR DTCs. REPEAT the self-test. If DTC B1342 is retrieved, INSTALL a new 4X4 control module. REFER to 4X4 Control Module . CLEAR the DTCs. REPEAT the self-test.
B1355 Ignition RUN Circuit Failure 4X4 Control Module CHECK smart junction box (SJB) fuse 35 (10A) for an open. If the fuse is blown, go to Pinpoint Test I . If missing, INSTALL a new fuse. TEST the system for normal operation.
B1359 Ignition RUN/ACC Circuit Failure 4X4 Control Module CHECK SJB fuse 43 (10A) for an open. If the fuse is blown, go to Pinpoint Test I . If missing, INSTALL a new fuse. TEST the system for normal operation.
B1366 Ignition START Circuit Failure 4X4 Control Module DIAGNOSE the ignition switch. REFER to EXTERIOR LIGHTING article
B1483 Brake Pedal Input Circuit Failure 4X4 Control Module DIAGNOSE the ignition switch. REFER to EXTERIOR LIGHTING article.
B1485 Brake Pedal Input Circuit Short to Battery 4X4 Control Module If the brake pedal is pressed during the 4X4 control module self test executes, this DTC will set. If the brake pedal was not pressed during the 4X4 control module self-test, DIAGNOSE the brake ON/OFF (BOO) switch. REFER to EXTERIOR LIGHTING article
B2477 Module Configuration Failure (Unconfigured, Incorrect or Rejected) 4X4 Control Module REFER to MODULE CONFIGURATION article.
C1728 Transfer Case Unable to Transition Between 2H and 4H 4X4 Control Module Go to Pinpoint Test I .
C1729 Transfer Case Unable to Transition Between 4H and 4L 4X4 Control Module Go to Pinpoint Test K .
P0500 Vehicle Speed Sensor (VSS) Malfunction 4X4 Control Module Go to Pinpoint Test K .
P1812 Transmission Four Wheel Drive Mode Select Switch (MSS) Circuit Failure 4X4 Control Module Go to Pinpoint Test P .
P1815 Transmission Four Wheel Drive Mode Select Short Circuit to Ground 4X4 Control Module Go to Pinpoint Test P .
P1819 Transmission Neutral Safety Switch Short Circuit to Ground 4X4 Control Module Go to Pinpoint Test K .
P1820 Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure 4X4 Control Module Go to Pinpoint Test J .
P1822 Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit to Battery 4X4 Control Module Go to Pinpoint Test J .
P1828 Transmission Transfer Case Counterclockwise Shift Relay Coil Circuit Failure 4X4 Control Module Go to Pinpoint Test J .
P1830 Transmission Transfer Case Counterclockwise Shift Relay Coil Short Circuit to Battery 4X4 Control Module Go to Pinpoint Test J .
P1832 Transmission Transfer Case Differential Lock-Up Solenoid Circuit Failure 4X4 Control Module CHECK SJB fuse 35 (10A) for an open. If the fuse is OK, go to Pinpoint Test H . If missing, INSTALL a new fuse. TEST the system for normal operation.
P1834 Transmission Transfer Case Differential Lock-Up Solenoid Short Circuit to Battery 4X4 Control Module Go to Pinpoint Test H .
P1865 Transmission Transfer Case Contact Plate Power Short to Ground 4X4 Control Module Go to Pinpoint Test I .
P1866 Transmission Transfer Case System Concern - Servicing Required 4X4 Control Module Go to Pinpoint Test I .
P1867 Transmission Transfer Case Contact Plate General Fault 4X4 Control Module Go to Pinpoint Test I .
P1876 Transmission Transfer Case Two Wheel Drive Solenoid Circuit Failure 4X4 Control Module CHECK SJB fuse 35 (10A) for an open. If the fuse is blown, go to Pinpoint Test H . If missing, INSTALL a new fuse. TEST the system for normal operation.
P1877 Transmission Transfer Case Two Wheel Drive Solenoid Circuit Short to Battery 4X4 Control Module Go to Pinpoint Test H .