DESCRIPTION The millimeter wave radar sensor assembly receives accelerator pedal position sensor signals from the ECM to determine if the accelerator pedal is being depressed. If the ECM detects a malfunction in the accelerator pedal position sensor or SFI system, the millimeter wave radar sensor assembly is notified via CAN communication and stores DTC C1A63.
PROCEDURE
HINT: If DTC C1A63 is output by the pre-collision system, perform troubleshooting for the SFI system.
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Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Antenna Coil Open / Short (B2784)
DESCRIPTION When an open or short circuit is detected in the transponder key amplifier built into the transponder key ECU assembly, the transponder key ECU assembly stores this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2784 Antenna Coil Open / Short The antenna coil in t ...
