Manual Button Malfunction
Table of contents
B15C5 LEXUS Possible Causes
- Faulty Map Light Assembly
- Map Light Assembly harness is open or shorted
- Map Light Assembly circuit poor electrical connection
- Faulty Data Communication Module (DCM) (Telematics Transceiver)
How do I fix code B15C5 LEXUS?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B15C5 LEXUS code
The cost of diagnosing the B15C5 LEXUS code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B15C5 LEXUS Description
This Diagnostic Trouble Code (DTC) is set when the Data Communication Module (DCM) (Telematics Transceiver) detects an open or short circuit in the manual (SOS) switch.