![]() It stopped writing meaning it took my program off my truck first and then it starts writing the new program. A hour later after unhooking the programmer and both batteries I finally got it to write past 63%. Pulled over at a gas station to put it on stage 3. Put it on stage 1, drove it 5 miles down the interstate. I installed my hypertech max energy the other day. Select F5: Module Identification Information. Tech♦2 Powertrain Output Controls Path Table for NON-GM ECM Calibrationģ. Refer to Tech♦2 path table in this bulletin to verify ECM calibration. The dealership technician would input each ECM calibration part number into the SPS/TIS2WEB CVN database to confirm the CVN history information. If a customer vehicle comes in to your dealership with possible symptoms from a Power-Up Kit, the dealership technician may now read the last engine calibration part numbers and CVN history using a Tech 2 ®. Unless the DPF is cracked, melted or has been removed from the exhaust system.)ĭealerships should remind their customers that engine concerns due to non-GM calibrations (Power-Up Kit) will not be covered under the GM warranty. Black Smoke (This symptom is not valid for the 6.6L (LMM) diesel equipped with the diesel particulate filter (DPF).Power-Up Kit calibrations change fueling and timing parameters and may contribute to the following vehicle symptoms: The ECM only records the engine calibration part number because it contains the parameters for increasing torque and fueling rates.Ĭustomers may have re-programmed the ECM with a non-GM released calibration. With 6.6L Duramax® Diesel Engine (VIN 6 - RPO LMM)įor 2007–2008 applications, an Engine Control Module (ECM) algorithm was implemented that records the engine calibration part number and Calibration Verification Number (CVN) for the last flash programming events. Models: 2007–2008 Chevrolet Express, Kodiak, Silverado Information on Identifying Non-GM Calibration Usages for LMM Duramax® Diesel Engine Subject: Information on Identifying Non-GM Calibration Usages for LMM Duramax Diesel EnginesĬorporate Bulletin Number 08-06-04-006 is currently available in SI. You may already be aware of this, but how does Hypertech Tuning avoid falling under this GM Bulletin?.If I go into a dealer in need of repair and have aftermarket tuning such as Hypertech, wouldn't it be more likely that the service department blame the cause on the tuner and not cover it under the factory warranty (voided warranty)? ![]()
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