Auto Diagnostics and Codes
Servicing Fuel Level Sensors: Fuel Gauge Inoperative?

Do not remove the fuel level sensor from the fuel module unless you get a faulty reading during the testing of the sensor.

Nissan Code P0603 Stored For ECM Back Up Circuit

The P0603 code deals with battery issues such as low battery voltage, discharged battery or battery terminal disconnections.

Understanding Engine Control Module No Communication Issues

You plug in your diagnostic scanner or code reader, only to find out that you cannot communicate with the PCM. Bad PCM Right? Not necessarily!

Why Do Turbos Fail?

There are significant numbers of import vehicles on the roads that are turbocharged and need service.

Modern Battery and Alternator Testing Methods

Old methods of testing a battery and alternator aren’t appropriate today. Do the job right to get the right results.

Diagnosing Throttle-By-Wire Limp Modes

Throttle-by-wire allows engines to better utilize variable valve timing and direct injection for torque and power.

ECM and PCM Calibration Numbers

Finding out if the vehicle has the latest version or calibration on a module is a required step.

Fixing A Steering-Pull Condition

If a customer comes to your shop with a steering-pull complaint, never jump to conclusions about what’s really wrong.

ADAS Blindspot And Cross Traffic Detection Systems

Servicing these systems is straightforward and, with the right tools, you can resolve customer complaints.

Limited Slip Differential Fluid Service

There are several differential designs you might see in the field.

AAPEX 2021 Announces Repair Shop HQ Training Schedule

All sessions will take place in four new training theaters and are accredited toward AAP and MAAP designations.

Power Steering Pump Noise After Replacement

Brake and carburetor cleaners work well, but will cause seals and O-rings to swell and leak if left in the system.