Auto Diagnostics and Codes
TPMS Curve Balls

When you think you know everything about tire pressure monitoring systems (TPMS), there will be a car or truck that pulls into your bays and challenges all of your knowledge and diagnostic skills.

CV Axle Diagnostic And Service Tips

When a CV axle fails, it is for a reason. Rarely will an axle fail because it is just worn out. The failure of an axle can usually be traced to torn boot, alignment issue or a problem with components attached to the axle. Axle Alignment If the subframe or mounts are misaligned, the geometry

Reflashing And Reprogramming For Newbies

The choice to reflash is the hardest because there is no one solution or single path to follow.

Snap-on Releases New Tools For More Comfortable, Efficient, Effective Work

Work in the shop or anywhere can be more efficient and effective with the added comfort and strength of these new tools and products from Snap-on.

OTC Universal Cooling System Pressure Test Kit

The tester features four adapters with Schrader valves to prevent coolant spray when disconnecting, while the hand pump includes an easy-to-read integrated pressure gauge and padded base to prevent vehicle surface scratches.

Dodge Tech Tip: MIL Lamp From Oxygen Sensor

If the 2010-2014 Dodge Ram 2500 or 3500 has any O2 sensor-related DTCs stored, pending or active, perform the repair procedure. Both oxygen sensor connectors should be removed and new connectors with pigtails installed. The pigtail splice points should be staggered to eliminate bulk in the harness.

Honda Tech Tip: Low Tire Pressure And TPMS Indicator On After Recent Tire Replacement

The Honda CR-V uses an indirect TPMS system that uses the rolling circumference of the tire to determine the pressure in the tire. Differences in sidewall construction and weight of a replacement tire can cause the rolling circumference to change if a single tire is replaced.

GM Tech Tip: Power Steering Fluid Leak At Reservoir Or Reservoir Connection

When diagnosing power steering fluid leak conditions, the technician may find a heat-damaged fluid reservoir. When a power steering reservoir or reservoir seal is damaged, it’s important to make sure that potential associated issues are addressed.

Ford Tech Tip: Lamp Flashing And Multiple Diagnostic Trouble Codes Present

Some customers may complain of intermittent nuisance activation of the electronic stability control (ESC) during low-speed turning maneuvers while towing only a trailer.

Mini Cooper Tech Tip: False “Service Due” Message For Brake Pad Thickness

Brake pad thickness warning message is displayed even if the pads are above specifications.

TPMS Radio Frequency Theory And Operation

A typical wheel-mounted TPMS sensor will transmit data about tire pressure and temperature. Newer, tire-mounted models can also gauge acceleration and, in some cases, the direction that the wheel is spinning. Some systems display tire pressure by location on the instrument panel, but most do not.

Programming Keys, Codes And Diagnostics

In the 1980s, the only thing standing between a thief and starting a car was the lock’s tumbler. The thief could pick the lock or violently remove the lock’s tumbler with a slide hammer. Re-keying a car involved installing a new lock cylinder – this is not the case with most late-model vehicles.