FLASH Reprogramming Archives - UnderhoodService
Using J2534 Programming Devices

How much money are you losing by not programming?

Reprogramming And Reflashing

According to a recent survey, more than 800 TSBs have been issued concerning reflashing or reprogramming over the past five years. These numbers do not include the random updates that seem to appear out of thin air on the OE service information websites. Also, OEMs are using more modules that communicate on network.

Tech Tip: Nissan Xterra Hesitates Upon Acceleration

The technician connected a scan tool and found code P0102 – Mass or Volume Air Flow “A” Circuit Low. He then performed an inspection of the mass airflow (MAF) sensor and related wiring harness, but found no obvious faults.

Bringing Down The Bus: Battling A BMW No-Crank

I arrived at the shop and verified the no-crank condition. The dash lit up brightly, but no starter action was forthcoming. Beginning with the basics, I tested power supply at the ignition switch, behind the Car Access System (CAS). This is the module in which the key is inserted. Power and ground was intact; I tested at the starter and found actuation voltage unavailable for starting.

Audi Tech Tip: Dynamic Steering Light On with DTCs/Needs ReFlash

Dynamic steering light is on and DTCs for overload, overuse or steering lock are stored in the Active Steering Control Module’s memory.

VIEWPOINT: Brake Reflashing takes Centerstage

How a moose and a Cherokee could change your brake business.

Tech Tip: GM Instrument Panel Cluster (IPC) Relearn

You may experience a problem where a GM vehicle will not start after a replacement IPC has been installed. In this tech tip, you will learn the procedure to enable the new IPC and the ECC to communicate.

Ford Reflash Tech Tip: PC Settings

So, you’ve just finished up a Ford, and you’re about to try and start it up. However, it needs programmed. You’ve decided to use a J2534 tool, but there are certain things you’ll need to consider before purchasing that subscription at www.motorcraftservice.com.

Tech Feature: The Changing Face of Automatic Transmissions

Today’s computer systems have completely redefined automotive operation, particularly when it comes to transmission control.

Tech Tips: FLASH Reprogramming – GM Crankshaft Variation Relearn Procedure

A Crankshaft Variation Relearn Procedure must be performed if on 1996 and newer GM vehicles if: the ECC was reprogrammed; the crankshaft position sensor has been replaced; or the ECC has been replaced.

Tech Feature: BMW and J2534 Pass-Thru Programming

In the U.S., 8 percent of the cars on the road are European vehicles. OK, that doesn’t sound like much, but think of it this way: an average repair yields more dollars per repair than most domestic and Asian vehicles. In most cases, each repair pays better. Plus, the vehicle owners have more invested into the vehicle, so they want to spend the money to fix their vehicle correctly. That 8 percent of cars on the road can pack a powerful punch when it comes to automotive repair shops making money.

BMW Sedan Driving through the city streets