Engine-Codes - Toyota - B15EC Toyota

B15EC Toyota Code - Backup Battery Degradation

- Code Popularity: 7,650 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
ChatAC AutoCodes.com AI Chat

What are the Possible Causes of the DTC B15EC Toyota?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Back-Up Battery (BUB)
  • Back-Up Battery (BUB) harness is open or shorted
  • Back-Up Battery (BUB) circuit poor electrical connection
⚠ Does your Toyota have Safety Recalls? → Check here

How to Fix the DTC 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 pins.

Search for B15EC Toyota Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B15EC Toyota code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the B15EC Toyota Code Mean?

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.

B15EC Toyota Code - Backup Battery Degradation

Need more Information on the Code?

Need more information on how to fix the B15EC Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B15EC Toyota code diagnosed by a professional: Find a repair shop in your area