Automotive · Service and dealers

Diagnostic code explainer

Mechanics scan a fault code and get the likely causes and test steps for that exact model.

  • Tablet
  • Rugged handheld
  • Works offline
Tablet assistantOn this device · no internet needed

What does P0301 mean on this engine?

Misfire on cylinder 1. Check the coil and plug first, then the injector.

Where is the cylinder 1 coil?

Front left of the engine, under the cover. Remove the two 10 mm bolts to lift the cover.

P0420 after a new catalytic converter?

Check for exhaust leaks before the rear oxygen sensor first, then the sensor itself, per diagnostic guide 6.4.

Example conversation

The problem

A fault code tells a technician where to look, not what to do. Generic code lists online miss the model-specific causes and the test order that your engineers know. Mobile mechanics working at the roadside or in rural workshops often have no signal to look anything up.

Who uses it

Technicians and mobile mechanics, on a workshop tablet or a rugged handheld beside the car.

What you train it on

  • Fault code tables
  • Diagnostic procedures
  • Known-fix bulletins
  • Wiring and sensor locations

How it works on the device

  1. 1

    Trained on your diagnostic guides

    Fault code tables, diagnostic trees and known fixes per engine and model.

  2. 2

    Explained for this car

    The technician enters or scans the code and gets the likely causes in the order your guide recommends.

  3. 3

    Improves with each report

    When a technician reports a better fix, your team updates the guide and every device gets it.

Why it runs on the device

  • Model-specific causes

    Not a generic code list.

  • Works at the roadside

    Answers on a rugged handheld with no signal.

  • Consistent diagnosis

    Every technician follows the same test order.

Questions

All use cases

Put AI where your work happens.

Pick one team and one use case. We’ll have it running on your own devices in weeks.

Not sure if RageEdge AI is what you need?

Ask ChatGPT, Claude or Perplexity and see what they think. One click, instant insight.