by Mike Lundgren | Aug 8, 2026 | Module Programming
When programming GM 8-speed transmissions after replacement, you must choose between two different identification numbers: the TUN (Transmission Unique Number) or PUN (Part Unique Number). The TUN is found on a white sticker on the passenger side of the transmission...
by Mike Lundgren | Jul 30, 2026 | Diagnostics
When diagnosing a no-start vehicle, one of the most critical early decisions is determining whether the immobilizer system is actually preventing the engine from starting. Many technicians waste valuable time chasing immobilizer issues when the real problem lies...
by Mike Lundgren | Jul 25, 2026 | Module Programming
Understanding MOST Bus Network FailuresWhen an infotainment screen suddenly goes blank, the problem often lies within the MOST (Media Oriented System Transport) network. This fiber optic or copper wire communication system connects all entertainment and information...
by Mike Lundgren | Jul 17, 2026 | Diagnostics
When a 2019 Toyota Corolla’s HVAC system stays powered on after the key is removed, the problem isn’t always a faulty control module. In this case, mouse damage created both an open circuit and a short to power in the same wire, causing the AC amplifier to...
by Mike Lundgren | Jul 9, 2026 | Module Programming
Programming a Jeep or Chrysler 9-speed ZF transmission involves up to five different procedures: VIN write, software programming, valve body learn, proxy alignment, and QuickLearn. The specific steps required depend on whether you’re replacing just the...
by Mike Lundgren | Jul 2, 2026 | Module Programming
Ford’s server-stored as-built data is frequently incorrect or missing, causing programming failures when replacing control modules. This widespread issue affects both IDS and FDRS platforms and can leave vehicles disabled if not properly addressed. The solution...
by Mike Lundgren | Jun 26, 2026 | Module Programming
When replacing a Nissan CVT transmission, proper programming is absolutely critical for both vehicle operation and warranty coverage. Nissan requires specific programming procedures to be completed after CVT replacement, and failure to perform these steps will void...
by Mike Lundgren | Jun 18, 2026 | Diagnostics
When a 2017 Chevrolet Malibu with a 1.5L turbo engine presents with no power steering, charging system failure, and stalling when put in gear – all without setting any diagnostic codes – the issue is likely a wrong crankshaft position sensor. This specific...
by Mike Lundgren | Jun 11, 2026 | Module Programming
Ford Transit BCM programming jobs often get blamed for parasitic battery draws, but the body control module isn’t always the culprit. In a recent case involving a 2015 Ford Transit, what appeared to be a straightforward BCM replacement revealed that a failed...
by Mike Lundgren | May 28, 2026 | Diagnostics
The Hidden Cause Behind RAM 5.7L Hemi MisfiresWhen a Dodge RAM 5.7L Hemi presents with a P0306 cylinder 6 misfire code, most technicians expect to find typical causes like spark plugs, coils, or fuel injectors. However, a specific pattern emerges when shops mix MDS...
