Exterior Lighting DTCS
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B106E | Solid State Driver Disabled Due to Short Circuit | The module has temporarily disabled an output because an excessive current draw exists (such as a short to ground). The SJB cannot enable the output until the cause of the short is corrected. ADDRESS all other DTCs first . After the cause of the concern is corrected, CLEAR the DTCs. REPEAT the self-test. |
| B106F | Module Disabled Due to External Fault | The module has permanently disabled an output because an excessive current draw fault (such as a short to ground) has exceeded the limits that the SJB can withstand. The cause of the excessive current draw MUST be corrected before a new SJB is installed. ADDRESS all other DTCs first . After the cause of the concern is corrected, INSTALL a new SJB. TEST the system for normal operation. |
| B1472 | Lamp Headlamp Input Circuit Short to Ground | GO to PINPOINT TEST D . |
| B1485 | Brake Pedal Input Short to Battery | GO to PINPOINT TEST L . |
| B1510 | Flash To Pass Switch Circuit Short to Ground | GO to PINPOINT TEST E . |
| B1578 | Lamp Park Input Circuit Short to Ground | GO to PINPOINT TEST R . |
| B1696 | Autolamp On Circuit Short To Ground | GO to PINPOINT TEST H . |
| B1791 | Autolamp Sensor Input Circuit Open | GO to PINPOINT TEST H . |
| B1793 | Autolamp Sensor Input Circuit Short to Ground | GO to PINPOINT TEST H . |
| B2008 | Wipers On Signal Circuit Short to Ground | GO to PINPOINT TEST H . |
| B2044 | Left Rear Stop Lamp Circuit Short to Ground | GO to PINPOINT TEST J . |
| B2045 | Left Rear Stop Lamp Circuit Open | If the lamp is inoperative, GO to PINPOINT TEST J . If the lamp is always on, GO to PINPOINT TEST L . |
| B2046 | Right Rear Stop Lamp Circuit Short to Ground | GO to PINPOINT TEST J . |
| B2047 | Right Rear Stop Lamp Circuit Open | If the lamp is inoperative, GO to PINPOINT TEST J . If the lamp is always on, GO to PINPOINT TEST L . |
| B2048 | Left Rear Turn Lamp Circuit Short to Ground | GO to PINPOINT TEST O . |
| B2049 | Left Rear Turn Lamp Circuit Open | GO to PINPOINT TEST O . |
| B2050 | Right Rear Turn Lamp Circuit Short to Ground | GO to PINPOINT TEST O . |
| B2051 | Right Rear Turn Lamp Circuit Open | GO to PINPOINT TEST O . |
| B2071 | Hazard Switch Signal Short to Ground | GO to PINPOINT TEST P . |
| B2254 | Front Fog Lamp Switch Failure | GO to PINPOINT TEST U . |
| B2281 | Right Turn Switch Short to Ground | GO to PINPOINT TEST N . |
| B2282 | Left Turn Switch Short to Ground | GO to PINPOINT TEST N . |
| B2498 | Headlamp Switch Multiple Signals Input Active | ADDRESS any other DTCs first. GO to PINPOINT TEST D . |
| B2A22 | Headlamp Off Circuit Open | ADDRESS any other DTCs first. GO to PINPOINT TEST D . |
| B2A23 | High Beam Input Circuit Short to Ground | GO to PINPOINT TEST E . |
| B2A24 | Turn Signal Input Circuit Failure | DIAGNOSE all other DTCs and symptoms first. If no other DTCs or symptoms are present, INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article. TEST the system for normal operation. |
| B2A27 | Right Front Turn Lamp Circuit Open | GO to PINPOINT TEST O . |
| B2A28 | Right Front Turn Lamp Circuit Short to Ground | GO to PINPOINT TEST O . |
| B2A29 | Left Front Turn Lamp Circuit Open | GO to PINPOINT TEST O . |
| B2A2A | Left Front Turn Lamp Circuit Short to Ground | GO to PINPOINT TEST O . |
| B2A2B | Left Corner Lamp Output Circuit Short to Ground | DIAGNOSE all other DTCs and symptoms first. If no other DTCs or symptoms are present, INSPECT the SJB and C2280f for bent pins, loose or corroded connections. If no concerns are found, INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article. TEST the system for normal operation. |
| B2A2C | Right Corner Lamp Output Circuit Short to Ground | DIAGNOSE all other DTCs and symptoms first. If no other DTCs or symptoms are present, INSPECT the SJB and C2280f for bent pins, loose or corroded connections. If no concerns are found, INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article. TEST the system for normal operation. |
| B2A2E | Right Front Lamp Low Beam Circuit Open | If the low beam is inoperative, GO to PINPOINT TEST B . If the low beam is always on, GO to PINPOINT TEST D . |
| B2A2F | Right Front Lamp Low Beam Circuit Short to Ground | GO to PINPOINT TEST B . |
| B2A30 | Left Front Lamp Low Beam Circuit Open | If the low beam is inoperative, GO to PINPOINT TEST B . If the low beam is always on, GO to PINPOINT TEST D . |
| B2A31 | Left Front Lamp Low Beam Circuit Short to Ground | GO to PINPOINT TEST B . |
| All other DTCs | - | REFER to the Diagnostic Trouble Code (DTC) Table in MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article. |
HEADLAMP CONTROL MODULE (HCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1A98:88 | LIN Bus Circuit #1: Bus off | GO to PINPOINT TEST AA . |
| B1D64:01 | Left Headlamp Swivelling Motor: General Electrical Failure | INSTALL a new LH headlamp assembly. REFER to HEADLAMP ASSEMBLY in this service information. CLEAR the DTCs. REPEAT the self-test. |
| B1D64:87 | Left Headlamp Swivelling Motor: Missing Message | GO to PINPOINT TEST AB . |
| B1D65:01 | Right Headlamp Swivelling Motor: General Electrical Failure | INSTALL a new RH headlamp assembly. REFER to HEADLAMP ASSEMBLY in this service information. CLEAR the DTCs. REPEAT the self-test. |
| B1D65:87 | Right Headlamp Swivelling Motor: Missing Message | GO to PINPOINT TEST AB . |
| U0001:88 | High Speed CAN Communication Bus: Bus off | REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article. |
| U0100:87 | Lost Communication With ECM/PCM "A": Missing Message | GO to PINPOINT TEST AC . |
| U0101:87 | Lost Communication With TCM: Missing Message | GO to PINPOINT TEST AD . |
| U0121:87 | Lost Communication With Anti-Lock Brake System (ABS) Control Module: Missing Message | GO to PINPOINT TEST AE . |
| U0126:87 | Lost Communication With Steering Angle Sensor Module: Missing Message | GO to PINPOINT TEST AF . |
| U0155:87 | Lost Communication with Instrument Panel Cluster (IPC) Control Module: Missing Message | GO to PINPOINT TEST AG . |
| U0401:86 | Invalid Data Received From ECM/PCM A: Signal Invalid | DTC U0401:86 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the PCM and other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article. |
| U0402:86 | Invalid Data Received from TCM: Signal Invalid | DTC U0401:86 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the TCM and other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article. |
| U0415:86 | Invalid Data Received From Anti-Lock Brake System (ABS) Control Module: Signal Invalid | DTC U0401:86 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the ABS module and other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article. |
| U0423:86 | Invalid Data Received From Instrument Panel Control Module: Signal Invalid | DTC U0401:86 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the Instrument Panel Cluster (IPC) and other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article. |
| U0428:86 | Invalid Data Received From Steering Angle Sensor Module: Signal Invalid | DTC U0401:86 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the Power Steering Control Module (PSCM) and other modules on the network. REFER to MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article. |
| U3000:04 | Control Module: System Internal Failure | INSTALL a new Headlamp Control Module (HCM). REFER to HEADLAMP CONTROL MODULE (HCM) in this service information. |
| U3000:46 | Control Module: Calibration/Parameter Memory Failure | INSTALL a new Headlamp Control Module (HCM). REFER to HEADLAMP CONTROL MODULE (HCM) in this service information. |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to PINPOINT TEST AH . |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to PINPOINT TEST AI . |
PCM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| P1910 | Reverse Lamp Control Circuit/Open | If the reversing lamps are inoperative, GO to PINPOINT TEST W . If the reversing lamps are always on, GO to PINPOINT TEST Y . |
| All other DTCs | - | REFER to the Diagnostic Trouble Code (DTC) Table in MULTIFUNCTION ELECTRONIC MODULES -- FUSION, MILAN & MKZ article. |