DTC P1336 GMC

Transponder Authentication Error

Transponder Authentication Error

Description

Ignition is in the Accessory or Run position. A valid transponder value has been read.

Cause and Solution

The transponder value is valid and matches the value stored in the TDM memory.The transponder calculation to the challenge from the TDM does not match the TDM calculation.

Video Guide

Duration: PT3M59S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P1336
  • Brand: GMC
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