Backup Battery Degradation
Table of contents
B15EC TOYOTA Possible Causes
- Faulty Back-Up Battery (BUB)
- Back-Up Battery (BUB) harness is open or shorted
- Back-Up Battery (BUB) circuit poor electrical connection
How do I fix code B15EC TOYOTA?
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 B15EC TOYOTA code
The cost of diagnosing the B15EC TOYOTA 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)
B15EC TOYOTA Description
This Diagnostic Trouble Code (DTC) is set when the Data Communication Module (DCM) (Telematics Transceiver) detects either of the following conditions: The Back-Up Battery (BUB) charge level becomes less than the criteria, Automatic Collision Notification (ACN) occurred. When this DTC is set, the BUB must be replaced.