This is a repair and return service for Nissan Pathfinder (2000-2003) ECU Repair, years 2000 2001 2002 2003 . If you confirm that the Electronic Control Module (ECM) needs to be replaced on a 2000 MY or later Nissan vehicle, or a 1999 MY vehicle Frontier (D22), Quest (V41) or Pathfinder (R50) from VIN JN8AR07**XW350101, complete the actions listed in this Tech Tip. Module Experts provides a full line of options for Nissan ECMs. Is that a reasonable cost? The ECM on my 2002 nissan sentra gxe is located on the left side of the firewall if you're standing in front of the car. . PS ( make sure you do not have any battery cable issues and have a backup power handy before you reset the ecu). It's easy to get to and remove, just a few bolts and a harness. Resetting your cars ECU can also be useful when modifications are done on the vehicle. The seller states that it needs an ECM and ICV replacement. Description. This Engine Computer also referred to as an Engine Control Module (ECM), Engine Control Unit (ECU) & Powertrain Control Module (PCM) is a guaranteed replacement for all 2002 Nissan Pathfinder PCM models with a 3.5L engine size.. Our 2002 Nissan Pathfinder ECM will arrive Programmed & Updated to your vehicle's VIN (Vehicle Identification Number). A faulty ECM may cause the vehicle to experience a reduction in fuel efficiency, power, acceleration. • When an ECM has been reprogrammed it will display a new P/N on the CONSULT-II screen. Apparently the ICV 'shorted out' in his words, and damaged the ECM. Thank you for choosing Module Experts Nissan ECM Repair service. 4. I cannot do the work myself because the car is … A bad ECM may lead to a vehicle that won’t or is difficult to start. A dealer told him those were the repairs needed after running a diagnostics test on it. I'm looking at buying an '02 Pathfinder. 1999.5 Pathfinder (R50) All 2000 and later ... • This reprogramming allows the vehicle ECM to be upgraded to the latest operating specifications without removal or replacement of the ECM. The problem is in finding a replacement. (2001 Pathfinder). Hey all. Whether or not you are looking for a Remanufactured Nissan ECM tomorrow or looking to send yours in for our Nissan ECM Repair Service we have a solution for you. If the ECM fails completely, it will leave the vehicle without engine management control, and will not start or run as a result. If you confirm that the Electronic Control Module (ECM) needs to be replaced on a 2000 MY or later Nissan vehicle, or a 1999 MY vehicle Frontier (D22), Quest (V41) or Pathfinder (R50) from VIN JN8AR07**XW350101, complete the actions listed in this Tech Tip. Nissan ECM Repair. ... NISSAN ECM •. Resetting your Engine Control Module through the Fuse Box. Car Not Starting. 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