SAFETY CONNECT SYSTEM, Diagnostic DTC:B15EC

DTC Code DTC Name
B15EC Backup Battery Degradation

DESCRIPTION

This DTC is set when the DCM (Telematics Transceiver) detects either of the following conditions.


When this DTC is set, the BUB (Back-Up Battery) must be replaced.

BUB (Back-Up Battery) degradation DTC B15EC is not reported in deactive mode.

DTC No. DTC Detection Condition Trouble Area
B15EC BUB (Back-Up Battery) is deteriorated. BUB (Back-Up Battery)

INSPECTION PROCEDURE

Note


  • If this DTC is set, be certain to replace the BUB (Back-Up Battery) with a new one.

  • After the BUB (Back-Up Battery) is replaced, it is necessary to clear this DTC.

  • The BUB (Back-Up Battery) must not be replaced while an ACN call is in progress.

PROCEDURE


  1. CHECK DTC


    1. Turn the power switch off.

    2. Connect the Techstream to the DLC3.

    3. Turn the power switch on (IG) and wait for 10 seconds.

    4. Turn the Techstream on.

    5. Perform "Health Check" and check for current DTCs Click here.

      Result
      Result Proceed to
      DTC B15EC is output A
      DTC B15EC is not output B

    B

    CHECK FOR INTERMITTENT PROBLEMS Click here

    A

    REPLACE BUB (BACK-UP BATTERY) Click here