DTC P20BD GMC
SCP Invalid or Missing Data for Function Read Vehicle Speed Diagnosis: If DTCs are present in the IC , DIAGNOSE those codes first. CLEAR the DTCs. If the HVAC DTC returns, INSTALL a new HVAC module. TEST the system for normal operation. If no DTCs are present in the IC , CLEAR the DTCs. If the HVAC module DTC returns, INSTALL a new HVAC module. TEST the system for normal operation.
SCP Invalid or Missing Data for Function Read Vehicle Speed Diagnosis: If DTCs are present in the IC , DIAGNOSE those codes first. CLEAR the DTCs. If the HVAC DTC returns, INSTALL a new HVAC module. TEST the system for normal operation. If no DTCs are present in the IC , CLEAR the DTCs. If the HVAC module DTC returns, INSTALL a new HVAC module. TEST the system for normal operation.
Description
no enought data
Video Guide
Diagnostic Info
- DTC Code: P20BD
- Brand: GMC