diagnostic trouble codes

  • The problem insurers have is the documentation repairers provide for the scans, not the scans themselves. As I reviewed estimates, I saw very little documentation about the scans or the results.
  • From time to time a vehicle will come to our bays with drivability concerns, and there is no check engine light and no diagnostic trouble codes stores in memory. But just because the problem didn’t store a code doesn’t mean the problem can’t be found.
  • Bernie Thompsonshared techniques that technicians could immediately apply to customer concerns related to EVAP system leak Diagnostic Trouble Codes (DTCs), showing them how to verify that a leak was actually occurring and how big a leak it was before they even opened the hood or raised the vehicle on their lift.
    Pete Meier
  • Diagnostic Trouble Codes are no doubt quite helpful when diagnosing a malfunctioning vehicle. Sometimes, when the scan tool reports a never ending list of trouble codes, it might be a bit overwhelming to know where to start.
  • Is the cause of a P0171 the same thing on a Ford 5.4 engine as it is on a GM 4.2 engine?
  • Case study No. 1 is a 2001 Mazda Protegé that had a bunch of transmission P07XX Diagnostic Trouble Codes (DTCs) and a problem with a hard shift.
  • Let’s dive into why and talk about some techniques you can incorporate that will improve your troubleshooting skills, code or no code.
    Pete Meier
  • This month, let’s look at a case in which Diagnostic Trouble Codes (DTCs) P0716 and P0717 might be stored, there is no torque converter fill.