DTC P2530-14: Ignition Switch Run Position Circuit Short to Ground or Open [07/2020 - 12/2021]: Description

If a malfunction is detected in the power supply circuit, the No. 2 skid control ECU (brake actuator assembly) power source voltage drops, or there is insufficient voltage to operate the main relay, the No. 2 skid control ECU (brake actuator assembly) will store these DTCs.

If the auxiliary battery voltage is temporarily low, this DTC may be stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	DTC Output from	Note
P2530-14	Ignition Switch Run Position Circuit Short to Ground or Open	When communication with the hybrid vehicle control ECU is normal or the vehicle speed is 10 km/h (6 mph) or more, and the IG1 terminal voltage is 9.5 V or more, the IG2 terminal voltage is less than 3 V for 4 seconds or more.	Open or short in IG2 circuit Improperly connected connector, deformation or corrosion of terminals No. 2 skid control ECU (brake actuator assembly)	Comes on	Brake/EPB	SAE Code: P2531 (Case 2) Output ECU: No. 2 skid control ECU (brake actuator assembly)