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Home >> Toyota >> 2014 >> Highlander XLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 30 (Stop And Start - Diagnostic Codes - (Except Hybrid)) >> Stop And Start System >> DTC P2530-14: Ignition Switch Circuit Short to Ground or Open [11/2016 - ] >> Description

DTC P2530-14: Ignition Switch Circuit Short to Ground or Open [11/2016 - ]: Description

WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

If the engine stop and start ECU receives the off signal from the ignition or starter switch assembly*1 or certification ECU (smart key ECU assembly)*2 when communication with the ECM is normal, the engine stop and start ECU will store DTC P253014.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory Note
P253014 Ignition Switch Circuit Short to Ground or Open All of the following conditions are met for 10 seconds or more (1 trip detection logic):
  • Ignition switch off signal is input.
  • Communication with the ECM is normal.
  • Ignition switch (communication) to ON.
  • Wire harness or connector
  • IG2 relay
  • Ignition or starter switch assembly (w/o Smart Key System)
  • Certification ECU (Smart key ECU assembly) (w/ Smart Key System)
  • Engine stop and start ECU
Does not come on DTC stored SAE Code: P2531