OBDII Code List

P2534 CADILLAC - Ignition Switch Run/Start Position Circuit Low

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Ignition Switch
  • Ignition Switch harness is open or shorted
  • Ignition Switch circuit poor electrical connection

Tech notes

This DTC is caused by low Ignition 1 voltage at the TCM. When diagnosing this DTC be sure to inspect the wire harness from the underhood fuse block to the TCM, especially in the right rear area of engine. The harness may have chaffed on the engine causing damage to the Ignition 1 circuit, wire 339, Pink.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P2534 Cadillac Description

The Powertrain Control Module (PCM) monitors the Ignition Switch Run Position Circuit signal. The PCM sets the OBDII code when the Ignition Switch Run Position signal is out of factory specifications.
OBDII Code P2534 Cadillac - Ignition Switch Run/Start Position Circuit Low -

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P2534 CADILLAC Comments

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