Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
PCM/ECM Reprogramming: Notes
PCM/TCM Flash Reprogramming
This procedure is required when one or more of the following situations are true:
- A Powertrain Control Module (PCM) has been replaced.
- Diagnostic Trouble Code (DTC) P1602 - PCM Not Programmed is set.
- An updated calibration or software release is available for either the PCM or TCM.
This procedure assumes that the wiTECH™ VCI Pod and StarMOBILE® devices are properly configured to the dealership network with either a wired or wireless connection. The wiTECH™ VCI Pod and StarMOBILE® must also be running the latest operating system and software release.
Table Of Contents
-- SECTION 1 - PCM/TCM Flash Procedure SECTION 1 - PCM/TCM FLASH PROCEDURE .
-- SECTION 2 - Additional PCM/TCM Replacement Procedures SECTION 2 - ADDITIONAL PCM/TCM REPLACEMENT PROCEDURES .
-- SECTION 3 - Authorized Modification Label SECTION 3 - AUTHORIZED MODIFICATION LABEL .
-- Required Tools/Equipment REQUIRED TOOLS/EQUIPMENT .
-- Tech tips and information TECH TIPS AND INFORMATION .
-- Parts Required PARTS REQUIRED .
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.