Toyota CH-R Service Manual: Telematics Transceiver Malfunction (B15A8)
DESCRIPTION
This DTC is set when an error in the EEPROM or PLL IC is detected on the DCM (Telematics Transceiver) self-check. The EEPROM (Electrically Erasable Programmable Read-Only Memory) stores the various data to operate the safety connect system. The PLL IC (Phase-Locked Loop Integrated Circuit) oscillates telephone radio frequency.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B15A8 |
Telematics Transceiver Malfunction |
Error in EEPROM or PLL IC is detected. |
DCM (Telematics Transceiver) |
CAUTION / NOTICE / HINT
NOTICE:
Regardless of whether DTC B15A8 has been output as a present or history DTC, the DCM (Telematics Transceiver) should be replaced.
PROCEDURE
|
1. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver).
Click here
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NOTICE:
- The ignition switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT | .gif) |
PERFORM DCM ACTIVATION |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Safety Connect System
DTC No.
Detection Item
Link
B1536
Short in Telephone SUB Antenna Circuit
...
Short in Telephone Antenna Circuit (B1573,B15CB)
DESCRIPTION
These DTCs are stored when the DCM (Telematics Transceiver) detects an open or
a short in the telephone and GPS antenna assembly (for Roof Side) circuit. The DCM
(Telematics Transceiv ...
Other materials:
Toyota CH-R Service Manual > Airbag System: Check Mode Procedure
CHECK MODE PROCEDURE
CHECK MODE (SIGNAL CHECK): DTC CHECK
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / SRS Airbag / Utility / Signal
Check.
Body Electri ...
Toyota CH-R Service Manual > Power Window Control System: Precaution
PRECAUTION
IGNITION SWITCH EXPRESSION
HINT:
The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine S ...
Toyota C-HR (AX20) 2023-2025 Owner's Manual
Toyota CH-R Owners Manual
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- Instrument cluster
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Toyota CH-R Service Manual
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