#Trailblazer pcm pin schedule serial

Buyer must activate warranty within 20 days of receipt to be valid. The lifetime warranty shall be void if an item is returned with any signs of: (a)burnt components (b)physical and/or water damage (c)misuse, abuse, modifications, opened, tampered with, and/or used for any purpose not originally intended (d)vehicle is involved in a collision or (e)security seal is removed, broken and/or damaged. Returns will be processed in the order received and may have a greater handling time than order processing. Electrical parts are tested prior to purchase and if returned, all units will be inspected for burnt components, physical damage and water damage. After 45 days, if an unauthorized return is not claimed or accompanied by an RMA, Seller reserves the right to maintain possession of the unclaimed/unauthorized return. Unauthorized returns will not be processed and will be held for no more than 45 days after receipt. Returns must be in original condition and be accompanied by a Return Merchandise Authorization (RMA) otherwise the return will be deemed unauthorized. Buyer hereby acknowledges and agrees that the Seller's liability is limited to the price of the item sold and Seller is not liable for any damage and/or injury sustained that results from any item(s) sold by any entity operated by Flagship One, Inc and Buyer hereby now and forever relinquishes Seller from any such liability. Buyer will not be reimbursed for any such fees-NO EXCEPTIONS. Warranty does not include any labor associated with installation and/or removal of parts, key and/or Locksmith fees. From amateur to master technicians, installation has never been easier!Īll items come with a lifetime warranty. Replacing your module can now be done in the comfort of your own driveway allowing you to avoid costly dealership rates and avoid the inconvenience of towing your vehicle to a mechanic. No locksmith will be required to program your keys. This will enable your vehicle to start immediately after a simple key cycling procedure. Our Chevrolet Trailblazer ECM is programmed to accept your original keys. No additional programming will be required upon installation. Our experienced staff of in-house mechanics utilize off-board testing to ensure each and every unit passes stringent quality control tests to ensure that they are working at peak performance. In addition to this, your unit will come flashed to its most recent updates which will enhance its fuel economy and optimize the performance of your vehicle. Our 2007 Chevrolet Trailblazer ECM will come programmed to your vehicle’s specific VIN allowing all internal modules to properly communicate with each other. Old PCM is roasted, see attached picture when attempts are made to communicate after fixing the wiring problem An open ground or power (B+) circuit on a fuel-injected engine removes power from the ECM and prevents the engine from starting.

PCM receives battery voltage (B+) through a fuse or fusible link. With the ignition key ON and bus activity, the voltage should vary from 0 to 5V depending on the amount of bus activity! With the ignition key ON and no bus activity, This tests the ECM Voltage supply as no power may be caused by a blown lighter fuseĬonnect positive DMM lead to either DLC bias terminalsĬonnect negative DMM lead to the ground terminal

#Trailblazer pcm pin schedule serial

With the Ignition on, voltage on the class 2 serial data pin should be 5V or fluctuating between 3.5V and 5.0V, If open, PCM cannot transmit data to the scan toolĬonnect positive DMM lead to DLC Battery + terminalĬonnect negative DMM lead to battery ground terminal NOTE: An open circuit or high ground resistance means that the PCM will never enter diagnostic mode.Ĭonnect the positive DMM lead to the class 2 Serial Data pin and the negative DMM lead to either pin 4 or pin 5 or a known good ground With the ignition on, voltage drop across the ground terminal should be 0.1 Volts or less Do not connect to body or chassis ground but to the battery terminal directly If the scan tool does not receive data from an OBD II vehicleĬonnect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary.