Is Your Work Van Unreliable? Get Back on the Job Fast.
If you drive a 2016 Savana 3500, you know that downtime isn’t just an inconvenienceโit’s lost income. When your van’s Engine Control Module (ECM) starts to fail, it can bring your entire operation to a halt. In my 20+ years as a technician, I’ve seen countless work vans sidelined by ECM issues. A customer’s ’16 Savana 3500 came in last week with the classic symptoms: it would crank but not start, had terrible fuel mileage, and the check engine light was on with a string of communication codes. He was losing jobs and money every day it sat in the shop.
The problem is a faulty engine computer, the brain of your vehicle. A bad ECM can cause a cascade of frustrating and hard-to-diagnose problems. This isn’t a part you can ignore.
The Simple, No-Hassle Solution: A VIN-Programmed ECM
Forget about towing your van to a dealership, waiting for days, and paying exorbitant programming fees. We offer a direct, effective solution. This Engine Control Module is a dependable replacement for your original, and we handle the most critical step for you. Before we ship it, we program the module with the latest GM software updates, using your vehicle’s specific VIN. This ensures it communicates perfectly with your Savana’s engine, transmission, and other systems right out of the box.
Common Symptoms of a Failing 2016 Savana 3500 ECM:
- โ Persistent Check Engine Light (CEL)
- โ Engine stalling, misfiring, or running rough
- โ No-start or intermittent starting conditions
- โ Noticeable decrease in fuel economy
- โ Shifting problems with the automatic transmission
- โ Communication errors with diagnostic scan tools
Expert Pro Tip: Before installing your new ECM, take 60 seconds to inspect the harness connectors for any bent pins, corrosion, or frayed wires. A poor connection is a common cause of repeat module failure. A quick spray with electronics cleaner on the harness side can prevent a lot of future headaches.
Plug-and-Play Installation: No Dealer Visit Required
Installing this module is a straightforward process that a confident DIYer or any professional mechanic can complete. Because we program it beforehand, you skip the most complicated part of the job.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery.
- Locate the ECM: On the 2016 Savana 3500, the ECM is typically found in the left (driver’s side) rear of the engine compartment.
- Disconnect: Carefully release the locking tabs and unplug the electrical connectors from the old module. Avoid forcing them.
- Remove Old Module: Unbolt the faulty ECM from its mounting bracket.
- Install New Module: Mount your new, pre-programmed ECM in the same location.
- Reconnect: Firmly plug the electrical connectors into the new module. You should hear or feel a click.
- Power Up: Reconnect the negative battery terminal.
- Security Relearn: In some cases, a simple security relearn procedure may be necessary. This often involves turning the key to the ‘ON’ position for 10-15 minutes. Consult your vehicle’s service information for the exact procedure.
Guaranteed Compatibility
This module is a direct replacement for a wide range of GM vehicles and part numbers. By providing your VIN, you ensure a perfect software match. This unit is compatible with part numbers: 12668866, 12668994, 12643636, 12663405, 12670335, 22819494, and 12692200, and fits many other models including the Express, Silverado, Sierra, Cruze, Sonic, and more. Order with confidence and get your vehicle running reliably again.