Powertrain Definition only Lights the check engine lamp

P2836: Shift Fork B Position Circuit

Standardized SAE J2012 code · P28xx codes

What does P2836 mean?

The TCM cannot read a valid position signal from shift fork B position sensor. Selector engagement state is unknown.

The code tells you which monitor failed, not which part is broken. Test before replacing parts.

Symptoms

  • Check engine or transmission warning light on
  • Harsh, delayed, or missing shifts
  • Possible limp mode (locked in one gear)
  • Slipping or shuddering during gear changes

Common causes

  • High Position sensor failed
  • Medium Wiring or connector fault

Likelihood is a general estimate across vehicles; your make and model may differ.

Add your car to see reports of P2836 on the same make and model first.

P2836 in the community

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