Diagnostic Tips

Erratic Instrument Panel Cluster (IPC) and Gauge Readings, Malfunction Indicator Lamp (MIL) Illuminated – DTC U0073, U0100, U0101 and/or U0121 Set – 2015-2019 Chevrolet Trax

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2019 Chevrolet Trax

NHTSA ID Number: 10161924 Manufacturer Communication Number: 19NA113 Summary This technical bulletin provides a procedure to repair a possible short in the wiring harness where it enters through the bulkhead to correct Erratic IPC and Gauge Readings, an MIL and DTCs.   5 Affected Products Vehicle MAKE MODEL YEAR CHEVROLET TRAX 2015-2019     SEOCONTENT-START Bulletin No.: … Read more

No Start, Loss or Reduction of Propulsion – DTC P0AFA and/or P0BBE Set – 2011-2015 Chevrolet Volt & 2014-2016 Cadillac ELR

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2016 Cadillac ELR

NHTSA ID Number: 10161927 Manufacturer Communication Number: 19NA117 Summary This informational bulletin provides diagnostic information for a No Start, Loss or Reduction of Propulsion condition, advising the tech to test the battery packs and not just replace the 12 volt battery.   8 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ELR 2014-2016 CHEVROLET VOLT 2011-2015     … Read more

Diagnostic Tip for SES Lamp Illuminated, Excessive Smoke from Tail Pipe, DTC P2002, P226D or P244A Set – 2010-2021 Chevrolet GMC Holden

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2019 Chevrolet Silverado

NHTSA ID Number: 10183132 Manufacturer Communication Number: 16NA380   Summary This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.     SEOCONTENT-START Service Bulletin Bulletin No.: 16-NA-380 Date: November, 2020 INFORMATION Subject: Diagnostic Tip for Malfunction Indicator Lamp (MIL) … Read more

Malfunction Indicator Lamp (MIL) and/or Service AWD Displayed on Driver Information Center (DIC), Loss of Power Steering Assist, Dead Battery, ICS Screen Backlighting Powers Up & Momentarily Flashes and/or Loss of Communication on HSLAN DTCs C0800, U0136 Set – 2013-2018 Buick & Chevrolet

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2018 Buick Encore

NHTSA ID Number: 10161933 Manufacturer Communication Number: 18NA007 Summary This technical bulletin provides information to replace the RDCM to correct a condition of MIL or Service AWD Light and associated DTCs.   11 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE 2013-2018 CHEVROLET TRAX 2014-2018   Parts MODULE ASM-RR DIFF CLU CONT 42463357 1     SEOCONTENT-START … Read more

Service Transmission Message Displayed on Driver Information Center (DIC), Malfunction Indicator Lamp (MIL) Illuminated – DTCs P0722, P0729, P0730, P0731, P0732, P0733, P0734, P0735, P073D, P073E, P07A2, P07E4, P07E5 and/or P1769 Set – 2017-2019 Buick & Cadillac

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2019 Cadillac XT5

NHTSA ID Number: 10161935 Manufacturer Communication Number: 18NA083 Summary This technical bulletin provides a procedure to adjust the automatic transmission range selector actuator hardware module to correct a condition of a Service Transmission Message on DIC or MIL Illuminated.   4 Affected Products Vehicles MAKE MODEL YEAR BUICK LACROSSE 2017 CADILLAC XT5 2017-2019     SEOCONTENT-START Bulletin … Read more