Removal
ComponentsLost Communication with ECM / PCM "A" (U0100,U0122)
DESCRIPTION
This DTC is output when communication is lost with the skid control ECU (brake
actuator assembly) or ECM.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM / PCM " ...
Internal Control Module EEPROM Data Memory Failure (P062F44)
DESCRIPTION
The ECM monitors its internal operation and it will set this DTC when it detects
an internal malfunction.
DTC No.
DTC Detection Condition
Trouble Area
SAE
P062F44
ECM internal error (EEPROM)
ECM
...
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
Release the vacuum from booster by depressing the brake pedal several times.
Then remove the brake master cylinder from brake booster.
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnect ...