DESCRIPTION If the forward recognition camera detects a malfunction in the camera heater (forward recognition hood) circuit, it will output a malfunction signal to the millimeter wave radar sensor assembly via CAN communication and DTC C1AAE will be stored.
PROCEDURE
HINT: If DTC C1AAE is output by the pre-collision system, perform troubleshooting for the forward recognition camera system. Click here
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Toyota Tundra Service Manual > Can Communication System: Check Bus 1 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area *1: w/ Pre-collision System *2: w/ Blind Spot Monitor Sys ...
