Toyota Tundra Service Manual > Trailer Brake Control System: Power Supply Voltage Circuit (C1241)
DESCRIPTION If a malfunction is detected in the power supply circuit, the trailer brake control ECU (brake control with bracket relay) stores this DTC. DTC No. Detection Item INF Code DTC Detection Condition Trouble Area C1241 Power Supply Voltage Circuit 81 82 INF Code: 81 (Low power supply voltage ...
