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Smart Junction Box (SJB) > < Module Controlled Functions
Multifunction Electronic Modules - Diagnostic Trouble Code Chart Maverick 2005 (08/2004-)
Diagnosis and Testing

Diagnostic Trouble Code Chart

DTC Description Source Action
B1001 Headlamp Leveling Relay Coil Short to Battery SJB REFER to Section 417-01 Exterior Lighting.
B1002 Headlamp Leveling Relay Coil Failure SJB REFER to Section 417-01 Exterior Lighting.
B106E Solid State Driver Disabled Due To Short Circuit SJB REFER to Smart Junction Box (SJB) in this section.
B106F Module Disabled Due to External Fault SJB REFER to Smart Junction Box (SJB) in this section.
B1202 Fuel Sender Circuit Open Instrument Cluster REFER to Section 413-01 Instrument Cluster.
B1204 Fuel Sender Circuit Short to Ground Instrument Cluster REFER to Section 413-01 Instrument Cluster.
B1205 EIC Switch-1 Assembly Circuit Failure Instrument Cluster REFER to Section 413-01 Instrument Cluster.
B1208 EIC Switch-1 Assembly Circuit Short To Ground Instrument Cluster REFER to Section 413-01 Instrument Cluster.
B1212 EIC Switch-2 Assembly Circuit Short To Ground Instrument Cluster REFER to Section 413-01 Instrument Cluster.
B1217 Horn Relay Coil Circuit Failure SJB REFER to Section 413-06 Horn.
B1218 Horn Relay Coil Circuit Short to Vbatt SJB REFER to Section 413-06 Horn.
B1231 Event Threshold Exceeded RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B1244 Wiper Rear Motor Run Relay Circuit Failure SJB REFER to Section 501-16 Wipers and Washers.
B1245 Wiper Rear Motor Run Relay Circuit Short to Battery SJB REFER to Section 501-16 Wipers and Washers.
B1246 Dim Panel Potentiometer Switch Circuit Failure Instrument Cluster REFER to Section 413-00 Instrument Cluster and Panel Illumination.
B1300 Power Door Lock Circuit Failure SJB REFER to Section 501-14 Handles, Locks, Latches and Entry Systems.
B1302 Accessory Delay Relay Coil Circuit Failure SJB REFER to Section 501-11 Glass, Frames and Mechanisms.
B1304 Accessory Delay Relay Coil Circuit Short To Battery SJB REFER to Section 501-11 Glass, Frames and Mechanisms.
B1314 Battery Saver Relay Coil Circuit Open SJB REFER to Section 417-02 Interior Lighting.
B1316 Battery Saver Relay Coil Circuit Short To Ground SJB REFER to Section 417-02 Interior Lighting.
B1317 Battery Voltage High 4WD Control Module REFER to Section 308-07A Four-Wheel Drive SystemsSection 308-07B Transfer Case.
B1317 Battery Voltage High Instrument Cluster REFER to Section 414-00 Charging System - General Information.
B1317 Battery Voltage High RCM REFER toSection 414-00 Charging System - General Information.
B1317 Battery Voltage High SJB REFER to Section 414-00 Charging System - General Information.
B1318 Battery Voltage Low 4WD Control Module REFER to Section 308-07A Four-Wheel Drive SystemsSection 308-07B Transfer Case.
B1318 Battery Voltage Low Instrument Cluster REFER to Section 414-00 Charging System - General Information.
B1318 Battery Voltage Low RCM REFER to Section 414-00 Charging System - General Information.
B1318 Battery Voltage Low SJB REFER toSection 414-00 Charging System - General Information.
B1319 Driver Door Ajar Circuit Failure SJB REFER to Section 417-02 Interior Lighting.
B1327 Passenger Door Ajar Circuit Failure SJB REFER to Section 417-02 Interior Lighting.
B1335 Door Ajar RR Circuit Failure SJB REFER to Section 417-02 Interior Lighting.
B1342 ECU Is Faulted 4WD Control Module CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new 4WD control module. REFER to Section 308-07A Four-Wheel Drive SystemsSection 308-07B Transfer Case. CLEAR the DTCs. REPEAT the self-test.
B1342 ECU Is Faulted ABS Module CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new ABS module. REFER to Section 206-09 Anti-Lock Control. CLEAR the DTCs. REPEAT the self-test.
B1342 ECU Is Faulted Instrument Cluster CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new instrument cluster. REFER to Section 413-01 Instrument Cluster. CLEAR the DTCs. REPEAT the self-test.
B1342 ECU Is Faulted RCM CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new RCM. REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System. CLEAR the DTCs. REPEAT the self-test.
B1342 ECU Is Faulted SJB CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new SJB. REFER to Smart Junction Box (SJB) in this section. CLEAR the DTCs. REPEAT the self-test.
B1345 Heated Backlite Input Circuit Short To Ground SJB REFER to Section 501-11 Glass, Frames and Mechanisms.
B1347 Heated Backlite Relay Circuit Failure SJB REFER to Section 501-11 Glass, Frames and Mechanisms.
B1349 Heated Backlite Relay Short To Battery SJB REFER to Section 501-11 Glass, Frames and Mechanisms.
B1352 Ignition Key-In Circuit Failure SJB REFER to Section 413-09 Warning Devices.
B1359 Ignition Run/Acc Circuit Failure SJB REFER to Section 211-05 Steering Column Switches.
B1372 Illuminated Entry Relay Circuit Open SJB REFER to Section 417-02 Interior Lighting.
B1374 Illuminated Entry Relay Short to Ground SJB REFER to Section 417-02 Interior Lighting.
B1396 Power Door Lock Circuit Short To Battery SJB REFER to Section 501-14 Handles, Locks, Latches and Entry Systems.
B1397 Power Door Unlock Circuit Short To Battery SJB REFER to Section 501-14 Handles, Locks, Latches and Entry Systems.
B1472 Lamp Headlamp Input Circuit Short To Ground SJB REFER to Section 417-01 Exterior Lighting.
B1474 Battery Saver Power Relay Circuit Short To Battery SJB REFER to Section 417-02 Interior Lighting.
B1499 Lamp Turn Signal Left Circuit Failure SJB REFER to Section 417-01 Exterior Lighting.
B1502 Lamp Turn Signal Left Circuit Short To Ground SJB REFER to Section 417-01 Exterior Lighting.
B1503 Lamp Turn Signal Right Circuit Failure SJB REFER to Section 417-01 Exterior Lighting.
B1506 Lamp Turn Signal Right Circuit Short To Ground SJB REFER to Section 417-01 Exterior Lighting.
B1510 Flash To Pass Switch Circuit Short To Ground SJB REFER to Section 417-01 Exterior Lighting.
B1519 Hood Switch Circuit Failure SJB REFER to Section 413-09 Warning Devices.
B1555 Ignition Run/Start Circuit Failure SJB REFER to Section 211-05 Steering Column Switches.
B1570 Lamp Headlamp High-Beam Circuit Short To Ground SJB REFER to Section 417-01 Exterior Lighting.
B1571 Door Ajar LR Circuit Failure SJB REFER to Section 417-02 Interior Lighting.
B1614 Wiper Rear Mode Select Switch Circuit Short To Ground SJB REFER to Section 501-16 Wipers and Washers.
B1676 Battery Pack Voltage Out Of Range ABS Module REFER to Section 206-09 Anti-Lock Control.
B1869 Lamp Air Bag Warning Indicator Circuit Open RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B1870 Lamp Air Bag Warning Indicator Circuit Short To Battery RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B1884 PAD Warning Lamp Circuit Failure RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B1890 PAD Warning Lamp Circuit Short to Battery RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B1891 Air Bag Tone Warning Indicator Circuit Short to Battery RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B1892 Air Bag Tone Warning Indicator Circuit Failure RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B1921 Air Bag Diagnostic Monitor Ground Circuit Open RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B1982 Driver's Door Unlock Relay Circuit Failure SJB REFER to Section 501-14 Handles, Locks, Latches and Entry Systems.
B2030 Front Fog Lamp Relay Ckt Failure SJB REFER to Section 417-01 Exterior Lighting.
B2070 Trailer Tow Relay Coil(s) Circuit Failure SJB REFER to Section 417-01 Exterior Lighting.
B2071 Hazard Switch Signal Short to Ground SJB REFER to Section 417-01 Exterior Lighting.
B2077 Liftgate Ajar Sw Circuit Failure SJB REFER to Section 417-02 Interior Lighting.
B2100 Door Driver Key Cylinder Switch Failure SJB REFER to Section 419-01A Anti-Theft - ActiveSection 419-01B Anti-Theft - Passive.
B2104 Door Passenger Key Cylinder Switch Failure SJB REFER to Section 501-14 Handles, Locks, Latches and Entry Systems.
B2111 All Door Lock Input Short to Ground SJB REFER to Section 501-14 Handles, Locks, Latches and Entry Systems.
B2127 Short Circuit to Ground on Double Lock Reset Line SJB REFER to Section 501-14 Handles, Locks, Latches and Entry Systems.
B2141 NVM Configuration Failure SJB INSTALL a new SJB. REFER to Section 419-10 Multifunction Electronic Modules.
B2143 NVM Memory Failure Instrument Cluster REFER to Section 413-01 Instrument Cluster.
B2250 All Doors Unlock Relay Circuit Failure SJB REFER to Section 501-14 Handles, Locks, Latches and Entry Systems.
B2254 Front Fog Lamp Switch Failure SJB REFER to Section 417-01 Exterior Lighting.
B2264 Rear Fog Lamp Switch Short to Ground SJB REFER to Section 417-01 Exterior Lighting.
B2281 Right Turn Switch Short To Ground SJB REFER to Section 417-01 Exterior Lighting.
B2282 Left Turn Switch Short To Ground SJB REFER to Section 417-01 Exterior Lighting.
B2290 Occupant Classification System Fault RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2291 Occupant Position System Fault RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2292 Restraint System - Seatbelt Pretensioner Fault RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2293 Restraint System - Airbag Fault RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2294 Restraint System - Curtain Fault RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2295 Restraint System - Side Airbag Fault RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2296 Restraint System - Impact Sensor Fault RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2382 Backup Light Relay Circuit Open SJB REFER to Section 417-01 Exterior Lighting.
B2407 Backup Light Relay Circuit - High SJB REFER to Section 417-01 Exterior Lighting.
B2425 Remote Keyless Entry Out of Synchronization SJB REFER to Section 501-14 Handles, Locks, Latches and Entry Systems.
B2434 Drivers Seat Belt Buckle Switch Circuit Short To Ground RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2435 Drivers Seat Belt Buckle Switch Resistance Out Of Range RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2438 Passengers Seat Belt Buckle Switch Circuit Short To Ground RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2439 Passengers Seat Belt Buckle Switch Resistance Out Of Range RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2477 Module Configuration Failure ABS Module REFER to Section 418-01 Module Configuration.
B2477 Module Configuration Failure Instrument Cluster REFER to Section 418-01 Module Configuration.
B2477 Module Configuration Failure RCM INSTALL a new RCM. REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2477 Module Configuration Failure SJB REFER to Section 418-01 Module Configuration.
B2501 LF Lamp Low Beam Circuit Failure SJB REFER to Section 417-01 Exterior Lighting.
B2503 RF Lamp Low Beam Circuit Failure SJB REFER to Section 417-01 Exterior Lighting.
B2505 LF Lamp High Beam Circuit Failure SJB REFER to Section 417-01 Exterior Lighting.
B2507 RF Lamp High Beam Circuit Failure SJB REFER to Section 417-01 Exterior Lighting.
B2512 Front Fog Lamp Relay Ckt Short to Battery SJB REFER to Section 417-01 Exterior Lighting.
B2691 Seat Belt Buckle Switch Circuit Fault, Front Driver's side RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2692 Front Passenger's Seat Belt Buckle Switch Circuit Fault RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2860 Airbag Cutoff Switch (ACS) ECU Failure RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2861 Airbag Cutoff Switch (ACS) Communication Failure RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
B2900 VIN Mismatch ABS Module REFER to Section 418-01 Module Configuration.
B2902 Rear Window Ajar Switch Input Failure SJB REFER to Section 417-02 Interior Lighting.
B2909 Belt Tension Sensor Fault RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
C1095 ABS Hydraulic Pump Motor Circuit Failure ABS Module REFER to Section 206-09 Anti-Lock Control.
C1145 Speed Wheel Sensor RF Input Circuit Failure ABS Module REFER to Section 206-09 Anti-Lock Control.
C1155 Speed Wheel Sensor LF Input Circuit Failure ABS Module REFER to Section 206-09 Anti-Lock Control.
C1165 Speed Wheel Sensor RR Input Circuit Failure ABS Module REFER to Section 206-09 Anti-Lock Control.
C1175 Speed Wheel Sensor LR Input Circuit Failure ABS Module REFER to Section 206-09 Anti-Lock Control.
C1233 Speed Wheel LF Input Signal Missing ABS Module REFER to Section 206-09 Anti-Lock Control.
C1234 Speed Wheel RF Input Signal Missing ABS Module REFER to Section 206-09 Anti-Lock Control.
C1235 Speed Wheel RR Input Signal Missing ABS Module REFER to Section 206-09 Anti-Lock Control.
C1236 Speed Wheel LR Input Signal Missing ABS Module REFER to Section 206-09 Anti-Lock Control.
C1446 Brake Switch Circuit Failure SJB REFER to Section 417-01 Exterior Lighting.
C1769 Park Brake Apply Switch Circuit Short to Ground SJB REFER to Section 413-01 Instrument Cluster.
C1805 Mismatched PCM and/or ABS-TC Module ABS Module VERIFY that correct part number of PCM and ABS modules are installed. DIAGNOSE DTCs B2900 and/or U1900 first if present. REFER to Section 206-09 Anti-Lock Control.
C1947 Front Driver's Seat Track Position Switch Circuit Short to Ground RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
C1948 Front Driver's Seat Track Position Switch Circuit Resistance Out of Range RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
C1961 Park Lamp Relay Coil Circuit Failure SJB REFER to Section 417-01 Exterior Lighting.
C1981 Front Driver's Seat Track Position Switch Circuit Fault RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
C1982 Front Driver's Seat Track Position Switch Circuit Short to Battery RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
C2200 Front Passenger's Seat Track Position Switch Circuit Fault RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
C2202 Front Passenger's Seat Track Position Switch Circuit Short to Ground RCM REFER to Section 501-20A Safety Belt SystemSection 501-20B Supplemental Restraint System.
C2769 Longitudinal Acceleration Sensor Electrical Failure ABS Module REFER to Section 206-09 Anti-Lock Control.
C2770 Longitudinal Acceleration Sensor Plausibility Failure ABS Module REFER to Section 206-09 Anti-Lock Control.
P0812 Reverse Input Circuit SJB REFER to Section 417-01 Exterior Lighting.
P0928 Gear Shift Lock Solenoid Circuit / Open SJB REFER to Section 307-01 Automatic Transmission/Transaxle.
P0930 Gear Shift Lock Solenoid Circuit Low SJB REFER to Section 307-01 Automatic Transmission/Transaxle.
P1635 Tire/Axle Out of Acceptable Range 4WD Control Module REFER toSection 308-07A Four-Wheel Drive SystemsSection 308-07B Transfer Case.
P1824 4-Wheel Drive Clutch Relay Circuit Failure 4WD Control Module REFER to Section 308-07A Four-Wheel Drive SystemsSection 308-07B Transfer Case.
P1825 4-Wheel Drive Clutch Relay Open Circuit 4WD Control Module REFER to Section 308-07A Four-Wheel Drive SystemsSection 308-07B Transfer Case.
U0073 Control Module Communication Bus A Off SJB REFER to Section 418-00 Module Communications Network.
U0100 Lost Communication With ECM/PCM 4WD Control Module REFER to Section 308-07A Four-Wheel Drive SystemsSection 308-07B Transfer Case.
U0111 Lost Communication With Battery Energy Control Module (BCM) PCM REFER to Section 418-00 Module Communications Network.
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module 4WD Control Module REFER to Section 308-07A Four-Wheel Drive SystemsSection 308-07B Transfer Case.
U0129 Lost Communication with Brake System Control Module PCM REFER to Section 418-00 Module Communications Network.
U0155 Lost Communication With Instrument Panel Cluster (IC) Control Module PCM CLEAR the DTC. REPEAT the network test with the scan tool. FOLLOW the appropriate pinpoint test for the module which fails the network test.
U1900 CAN Communication Bus Fault - Receive Error 4WD Control Module REFER to Section 418-00 Module Communications Network.
U1900 CAN Communication Bus Fault - Receive Error ABS Module REFER to Section 418-00 Module Communications Network.
U1900 CAN Communication Bus Fault - Receive Error Instrument Cluster REFER to Section 418-00 Module Communications Network.
U1900 CAN Communication Bus Fault - Receive Error SJB REFER to Section 418-00 Module Communications Network.
U2023 Fault Received From External Node ABS Module RETRIEVE and FOLLOW non-network DTCs from source module. REFER to Section 206-09 Anti-Lock Control.
U2023 Fault Received From External Node SJB RETRIEVE and FOLLOW non-network DTCs from source module. REFER to Diagnostic Trouble Code (DTC) Chart in this section.
U2050 No Application Present SJB REFER to Section 418-01 Module Configuration.
PXXX All other PCM DTCs PCM REFER to the REFER to Powertrain Control/Emissions Diagnosis (PC/ED) manual. to continue diagnosis.

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