DTC P1816 GMC

TFP Manual Valve Position Switch Circuit Malfunction

TFP Manual Valve Position Switch Circuit Malfunction

Description

No VSS DTCs P0502 or P0503. No PSA DTCs P1810 or P1815. No 1-2 SS DTCs P0751, P0752, P0973, or P0974. No 2-3 SS DTCs P0756, P0757, P0976, or P0977. The engine is running greater than 7 seconds. Speed ratio is between 1.58 and 0.599.

Video Guide

Duration: PT4M13S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P1816
  • Brand: GMC
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