Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: HVAC Control Module to Hybrid Powertrain Control Module Invalid Serial Data Received (U042481)
DESCRIPTION If the hybrid vehicle control ECU receives an invalid compressor control request from the air conditioning amplifier assembly via CAN communication, it will store this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate U042481 HVAC Control Module to Hyb ...