B1555 - Ignition Run/Start Circuit Failure

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
  • Faulty Body Control Module (BCM)

Possible symptoms

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

B1555 Description

The Body Control Module (BCM) monitors the Ignition Switch. The BCM sets the OBDII code when the Ignition Switch is not to factory specifications.
OBDII Code B1555 - Ignition Run/Start Circuit Failure - AutoCodes.com

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B1555 Comments

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