COMPONENTS
ILLUSTRATION
Related Tacoma materials
ECM Communication Circuit Malfunction (C1203)
DESCRIPTION
The circuit sends TRAC, A-TRAC and VSC control information from the skid control
ECU (master cylinder solenoid) to the ECM, and engine control information from the
ECM to the skid control ECU (master cylinder solenoid) via the CAN communication
system.
DTC Code
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Removal
REMOVAL
PROCEDURE
1. REMOVE TIMING CHAIN COVER ASSEMBLY
(See page )
2. SEPARATE NO. 2 WATER BY-PASS PIPE (for Vacuum Brake Booster)
3. REMOVE VACUUM PUMP ASSEMBLY (for Vacuum Brake Boost ...
Detecting Vehicle Submersion (B2277)
DESCRIPTION
This DTC is stored when a malfunction in the water submersion detection circuit
in the certification ECU (smart key ECU assembly) is detected.
HINT:
When the cable is disconnected and reconnected to the negative (-) battery terminal,
the power source mode returns to the state it w ...