Diagnostic Tips

Various HVAC Issues – 2015 Cadillac Chevrolet GMC

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2015 Chevrolet Corvette

NHTSA ID Number: 10119054 Manufacturer Communication Number: PIT5383C   Summary This Preliminary Information communication provides information to the technician about vehicles with various Heater-Vent-Air Conditioning blower mode or temperature issues. Technician will need to reprogram the Heater-Vent-Air Conditioning control module using Tis2Web and Service Programming System.     14 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE … Read more

Ignition Key Cannot Be Removed and/or Does Not Rotate to the Off Position – 2015 Chevrolet Colorado & GMC Canyon

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2015 Chevrolet Colorado

NHTSA ID Number: 10113637 Manufacturer Communication Number: PI1429A   Summary This preliminary informational bulletin provides repair information to correct a customer concern that they cannot remove the ignition key and/or that the key may not fully rotate to the “off” position, though engine does shut off.     2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET COLORADO … Read more

Malfunction Indicator Lamp (MIL) Illuminated with DTCs P24C4, P2493, P2495 and P06A3 – 2015 Chevrolet Silverado & GMC Sierra

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2015 Chevrolet Silverado

NHTSA ID Number: 10135408 Manufacturer Communication Number: PI1449   Summary This preliminary informational bulletin provides repair information for a customer concern of Malfunction Indicator Lamp (MIL) illuminated with technician finding DTCs P24C4, P2493, P2495 and P06A3 present.     3 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2015 GMC SIERRA 2500 2015 GMC SIERRA DENALI … Read more

BCM DTC B101D SYM F0 Set with No Other Symptoms – 2015 Cadillac Chevrolet GMC

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2015 Chevrolet Corvette

NHTSA ID Number: 10135382 Manufacturer Communication Number: PI1435   Summary This preliminary informational bulletin provides technicians a diagnostic tip for BCM DTC B101D SYM F0 set with no other symptoms. 15 Affected Products Vehicles CADILLAC ATS 2015 CADILLAC CTS 2015 CADILLAC ESCALADE 2015 CADILLAC ESCALADE ESV 2015 CADILLAC XTS 2015 CHEVROLET CORVETTE 2015 CHEVROLET IMPALA 2015 CHEVROLET … Read more

Service Theft Deterrent Message In DIC and/or B2955 – 2015 Chevrolet Colorado & GMC Canyon

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2015 Chevrolet Colorado

NHTSA ID Number: 10115103 Manufacturer Communication Number: PIT5382D   Summary This Preliminary Information communication provides information to the technician about vehicles that may have a Service Theft System message displayed in the Driver Information Center. Technician may find a Diagnostic Trouble Code B2955 stored in the Body Control Module. Technician should inspect the connections at the immobilizer … Read more