SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMERCURY2009MOUNTAINEER 4.6 8, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)DTC DIAGNOSISDTC P0602: - POWERTRAIN CONTROL MODULE (PCM) PROGRAMMING ERROR
2009 Mercury Mountaineer 4.6 8, RWD

DTC P0602: - Powertrain Control Module (Pcm) Programming Error

2009 Mercury Mountaineer 4.6 8, RWDSECTION DTC P0602: - Powertrain Control Module (Pcm) Programming Error
DTC P0602: - POWERTRAIN CONTROL MODULE (PCM) PROGRAMMING ERROR

Description:  This DTC indicates a programming error within the vehicle ID (VID) block.
Possible Causes: 
  • VID data corrupted by the scan tool during VID reprogramming
Diagnostic Aids:  The VID block must be programmed. Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Making Changes to the VID Block. If the PCM does not allow reprogramming of the VID block, reflashing of the PCM is required.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the Description, Possible Causes and Diagnostic Aids for the DTC.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.