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How can we help you do it yourself?

Practical instructions written by our technicians, from finding your VIN to installing a pre-programmed module and relearning security.

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Installing your pre-programmed auto computer

Every module we ship arrives programmed to your VIN. Most installs are plug and play and take under 30 minutes with hand tools.

  1. 1 Confirm the fit Match your VIN and part number to the module.
  2. 2 Disconnect the battery Negative terminal first, then wait ten minutes.
  3. 3 Swap the module Unplug the harness connectors and bolt in the new unit.
  4. 4 Relearn and road test Run the security relearn, then check drivability.

Programming guides 20–30 min · Beginner friendly

Browse all guides

23 guides · written and reviewed by our bench technicians
Mid-repair and stuck? Call a bench technician at (888) 848-0144. Advice is free.

Diagnostics and testing

Confirm the module is really the problem before you spend a dime.

01 Why Did My Jeep PCM Fail? And How Can I Fix My Jeep PCM? 2 min 02 4 Painful Signs That Your Car’s Engine Control Module Has Problems 5 min 03 How to Test a PCM 5 min 04 What Causes Code P0174 and How to Fix It at Home 6 min 05 DIY Guide: How to Tackle the P0138 Code in Your Garage 8 min 06 Fixing the P0132 Code: Symptoms, Causes, and Solutions | SOLO Auto Electronics 8 min 07 How to Test ECM Inputs and Outputs | SOLO ECM Diagnostics and Repair 8 min 08 How to Fix the P0606 Fault Code 9 min 09 Body Control Module Problems: 5 Symptoms You Shouldn’t Ignore 11 min 10 How To Test Ignition Module 11 min 11 How to Check if Ignition Control Module is Bad 11 min 12 Easy Steps to Fix P0131 O2 Sensor Low Voltage 12 min 13 Simple Steps to Test Your ICM with a Multimeter 12 min

Finding and resetting

Locating the module, resets and relearns, and swapping in a replacement.

01 How To Fix Your Engine Control Unit Issues 3 min 02 Replacing Your PCM 3 min 03 Parameter Reset for Ford Vehicles: A Step-by-Step Guide 5 min 04 Where Is the Powertrain Control Module? Easy Ways to Find It 6 min 05 How to Reset ECU After Coil Change: A Quick and Easy Guide 7 min 06 Where Is the PCM Located? How to Find Your Vehicle’s Powertrain Control Module 7 min 07 How To Reset Your ECU Without A Scanner? 14 min

Choosing a repair service

What to ask, what it should cost, and how to avoid a bad shop.

01 Five Ways to Avoid Being Ripped off at the Mechanic 2 min 02 5 Things to Consider When Choosing a Car Computer Repair Service 5 min 03 6 Tips For Car Computer Repair 13 min
Can’t find the guide you need? Check the FAQ, or ask a technician directly. Diagnosis advice is always free.
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The right module, programmed to your VIN. Or repaired, when that’s the better call.

Year, make, model and VIN is all we need. Matched within a business day by our Miami lab, repairing and programming vehicle computers since 2003.

Request a quote Call (888) 848-0144