Electric Window Reverses Near the Top
A window that reaches the top and then drops back needs its movement described carefully.
Complex Electronics Diagnostics
Evidence-led diagnosis of intermittent faults, communication failures and problems affecting multiple vehicle electronics systems.
CAN FD Support: Why an Older Diagnostic Interface May Be Insufficient
Before diagnosing a newer vehicle’s communication failure, check whether the diagnostic interface and software support its required protocols.
CAN FD Support: Why an Older Diagnostic Interface May Be Insufficient Read More »
Surround-View Camera Images Do Not Line Up
Misaligned stitched images after camera, mirror or body work need a record of the repair.
Before Condemning an Engine ECU: Keep Mechanical Evidence in the Report
An engine control unit manages an engine whose mechanical condition still matters.
Before Condemning an Engine ECU: Keep Mechanical Evidence in the Report Read More »
Sunroof Stops Before Closing Fully
A sunroof that stops or reverses near closure may be responding to resistance, a position issue or a control problem.
Engine Starts Then Stalls When Electrical Loads Are Switched On
An engine that stalls when lights, heating or another electrical load is selected needs the sequence recorded accurately.
Engine Starts Then Stalls When Electrical Loads Are Switched On Read More »
Bench Test Says No Fault Found: What the Vehicle Garage Should Check Next
A no-fault-found bench result describes the tests performed on the removed unit.
Bench Test Says No Fault Found: What the Vehicle Garage Should Check Next Read More »
Folding Mirror Stops Halfway
A mirror that moves partway and stops may have a different problem from one that never receives a folding command.
Automotive Ethernet Link Fault: Cable, Connection or Controller?
An Ethernet-related vehicle fault needs the exact controller and network section identified.
Automotive Ethernet Link Fault: Cable, Connection or Controller? Read More »
Driver-Assistance Warning After Windscreen Replacement
A new assistance-system warning after glass replacement should be reported to the repairer with the exact message and vehicle details.
Driver-Assistance Warning After Windscreen Replacement Read More »