B2126 - Detention Switch

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

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

Possible symptoms

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

B2126 Description

Detention switch is installed on Automatic Transmission (AT) device. It is turned OFF when the AT selector lever is in Park (P) position.

The driver seat control unit judges that the AT selector lever is in P position if continuity does not exist in this circuit.

OBDII Code B2126 - Detention Switch - AutoCodes.com

B2126 Information for specific makes

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B2126 Comments

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