Toyota CH-R Service Manual: Backup Battery Degradation (B15EC)

• The BUB (Back-Up Battery) charge level becomes less than the criteria.
• The BUB (Back-up Battery) was used for Automatic Collision Notification (ACN).

NOTICE:

• 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.

  Click here

Telephone Microphone Error (B1572)

DESCRIPTION This DTC is set when the DCM (Telematics Transceiver) detects a malfunction in the telephone microphone assembly circuit. DTC No. Detection Item DTC De ...

Short in Telephone SUB Antenna Circuit (B1536,B1537)

DESCRIPTION These DTCs are stored when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna assembly (for Front Side) circuit. The DCM (Telematics Transcei ...

Other materials:

Toyota CH-R Service Manual > Navigation System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Navigation System DTC No. Detection Item Link B1324 Lost Communication with Meter B153A GVIF Disconnected (from Extension Module to H/U) ...

Toyota CH-R Service Manual > Smart Key System(for Start Function): Power Source Mode does not Change to ON (IG and ACC)
DESCRIPTION If any of the following operations are performed, the certification ECU (smart key ECU assembly) receives a signal, and changes the power source mode. With the electrical key transmitter sub-assembly in the cabin, the engine switch is pressed. When the transmitter batt ...