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 > Shift Lever: Inspection
INSPECTION
PROCEDURE
1. INSPECT SHIFT LOCK CONTROL UNIT ASSEMBLY (w/o Smart Key System)
HINT:
If the results of the following inspections are as specified but a malfunction
has occurred, replace the shift lock control unit assembly.
(a) Inspect the wire harness.
(1) Disconnect the ...
Toyota CH-R Service Manual > Repair Instruction: Initialization
INITIALIZATION
PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED/RECONNECTED
Necessary Procedures
Effect/Inoperative Function when Necessary Procedures not Performed
Link
Initialize back door lock
Power door lock control system
...
Toyota C-HR (AX20) 2023-2026 Owner's Manual
Toyota CH-R Owners Manual
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Interior features
- Maintenance and care
- When trouble arises
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- For owners
Toyota CH-R Service Manual
- Introduction
- Maintenance
- Audio / Video
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