GM Service Manual Online
For 1990-2009 cars only

4T40E DTC P0753 P0758 P1860 ERLS Fuse Blown

Subject:4T40E DTC P0753 P0758 P1860 ERLS Fuse Blown

Models:.



When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

Condition/Concern:

4T40E automatic transmission with DTC's P0753, P0758, P1860 and a blown ERLS fuse

Recommendation/Instructions:

Circuit 439 (pink) should be checked for short to grounds and repaired in the following locations:

  1. At the Evaporative Emission (EVAP) Canister Vent and Purge solenoids at the rear of the vehicle near the fuel tank retaining strap and rear suspension for a short to ground
  2. Near the engine cooling fan
  3. Near the battery tray

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.