DTC Charts
SMART JUNCTION BOX (SJB) DTC CHART
| DTC | Description | Action |
|---|---|---|
| B1685 | Lamp Dome Input Circuit Failure | GO to PINPOINT TEST A . |
| B1688 | Dome Lamp Input Circuit Short to Ground | GO to PINPOINT TEST A . |
| 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 Smart Junction Box (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. |
| B213A | Digital Dimmer Switch Input Circuit Failure | GO to PINPOINT TEST A . |
| B29B7 | White Lighting Output Circuit Open | GO to PINPOINT TEST B . |
| B29B8 | White Lighting Output Circuit Short to Ground | GO to PINPOINT TEST B . |
| B2A33 | LED Backlighting Output Circuit Short to Ground | DIAGNOSE all other DTCs and symptoms first. If no other DTCs or symptoms are present, INSPECT the SJB and C2280b for bent pins, loose or corroded connections. If no concerns are found, INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES -- MKS article. TEST the system for normal operation. |
| All other DTCs | - | REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULES -- MKS article. |