DTC P2454

Discussion in 'GL-Class' started by jendougchanxan, Jul 22, 2017.

  1. jendougchanxan

    jendougchanxan New Member

    Started our GL350 up this afternoon & the transmission went into "limp mode". We have a T-Mobil wifi device that plugs directly into the vehicle's OBD II port. It sent the following text to my wife's phone: "Diagnostic Trouble Code (DTC) Detected, Code: P2454. Powertrain, Auxiliary Emission Controls, Fault: 54". Any ideas anyone? Turned the vehicle off and back on it is now out of "limp mode".
     

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