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Home >> Lexus >> 2023 >> NX 250 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Electronically Controlled Brake System - Diagnostic Codes (6 Of 6), Symptom Tests & Circuit Tests) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HEV Model) >> DTC P2530-00: Ignition Switch Run Position Malfunction [11/2021 - ] >> Description

DTC P2530-00: Ignition Switch Run Position Malfunction [11/2021 - ]: Description

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Refer to DTC C110E-14.

Refer to DTC C110E-14: Brake Booster Motor "A" Supply Voltage Circuit Short to Ground or Open [11/2021 - ]

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Note
P2530-00 Ignition Switch Run Position Malfunction 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 10.2 V or more, the IG2 terminal voltage is less than 2.8 V for 4 seconds or more.
  • Open or short in IG2 circuit
  • Improperly connected connector, deformation or corrosion of terminals
  • No. 1 skid control ECU (brake booster with master cylinder assembly)
 Comes on Brake/EPB
  • SAE Code: P2531 (Case 1)
  • Output ECU: Both skid control ECUs
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