Monthly Archives: June 2015

Rear Axle Damage

A condition where the vehicle will not move when in gear on some 2010-2015 Camaro SS models (equipped with the 218-mm ring gear axle) and 2014-2015 Chevrolet SS models may be due to damage in the differential of the rear … Continue reading

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Hybrid Emergency First Responder Information

First responder information regarding various hybrid vehicles produced by GM is available online for emergency personnel. (Fig. 5) The information can help first responders in learning about the hybrid vehicles and/or hybrid systems so that they can perform the necessary … Continue reading

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Electronic Climate Control Module Heating and Cooling Conditions

On some 2014-2015 Camaros built before February 10, 2015, the following HVAC (Fig. 7) conditions may be present at start-up: • Blower motor and/or indicators are inoperative •Blower motor may be blowing, but speed cannot be adjusted • A/C not … Continue reading

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Fuel Injector Conditions

Some 2010-2015 Equinox, Terrain, Captiva and 2012-2015 Verano models equipped with the 2.4L engine (RPO LEA) may have an illuminated Service Engine Soon lamp and DTC P219A (Fuel Trim Cylinder Balance) set. In some instances, a DTC P0300 (Engine Misfire … Continue reading

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Check Loose Grounds for Intermittent No Crank Condition

An intermittent no crank or crank/no start condition with an illuminated Service Engine Soon MIL may be present on some 2015 Colorado and Canyon models equipped with the 2.5L 4-cylinder engine (RPO LCV) or 3.6L V6 engine (RPO LFX).   … Continue reading

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Low Engine Power Condition

There may be a low engine power condition along with an illuminated Service Engine Soon lamp on some 2015 City Express models. Any of the following DTCs may be set in the ECM: P0011, P0075, P0300, P0301, P0302, P0303 and/or … Continue reading

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Vibration When Turning at Highway Speeds

A small vibration may be experienced through sweeping turns at highway speeds on some 2015 Colorado and Canyon models. The vibration goes away once the roadway straightens out.   This condition is called Smooth Road Shake. The Power Steering Control … Continue reading

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Heater Core Water Gurgle Sound

There may be a water rush or gurgle-type sound from the center dash area on some 2015 Colorado and Canyon models. Diagnosis may isolate the sound to the heater core, where it is caused by air in the cooling system. … Continue reading

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Bulletin Review – May 2014

 

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Service Know-How

10215.06D – Emerging Issues June 11, 2014   To view Emerging Issues seminars: • Log in to www.centerlearning.com –   Select Resources > Service Know-How/TECHAssist > Emerging Issues > Searchable Streaming Video; or –   Select Catalog to search for the course … Continue reading

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Steering Bind after I-Shaft Removal

The steering may bind when turning the steering wheel after having removed the I-Shaft for a service procedure on some 2015 Colorado and Canyon models. The binding may be caused by the I-Shaft nose plug sliding down the inside of … Continue reading

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Service Column Lock Message

A Service Column Lock message may be displayed on the instrument cluster of some 2013-2014 ATS; 2013 XTS; and 2014 CTS Sedan (VIN A) models. DTC B2897 SYM05 (steering column lock enable input circuit open or shorted to battery) is … Continue reading

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No Start, Loss of Communication Conditions

Some 2015 Colorado and Canyon models may have a condition of no crank/start, loss of communication, engine stall or an illuminated Service Engine Soon lamp with possible Driver Information Center messages. If any of these conditions are present, inspect the … Continue reading

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Steering Vibration during Parking Lot Maneuvers

On some 2014 CTS Sedan (VIN A) models, there may be a slight vibration in the steering wheel during a parking lot maneuver. DTC C055C sym00 (Steering Gear Performance Malfunction) may be set.   This condition typically happens while turning … Continue reading

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Diagnostic Assistance for ECM DTCs

DTC P00C6 (Fuel Rail Pressure Low During Engine Cranking) and/or P228C (Fuel Pressure Regulator Control Performance – Low Pressure) may be set on some 2010-2015 LaCrosse, CTS, SRX, Equinox, Terrain; 2012-2015 Camaro, Impala; 2013-2015 ATS and XTS models equipped with … Continue reading

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Steering Column Noise Conditions

A grinding or popping noise or a binding feeling in the steering column when turning left or right may be experienced on some 2014 Silverado 1500, Sierra 1500; 2015 Silverado, Tahoe, Suburban, Sierra, Yukon models and Escalade models equipped with … Continue reading

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EL-50332 Hybrid/EV Battery Service Tool Components

The EL-50332 Hybrid/EV Battery Service Tool is used to match the voltage level of a replacement battery section to the existing battery sections following a service event on a 2011-2015 Volt, 2014 ELR and 2014-2015 Spark EV.   The EL-50332 … Continue reading

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Connecting the EL-50332 Hybrid/EV Battery Service Tool

Dealerships are starting to service more hybrid batteries on 2011-2015 Volt, 2014 ELR and 2014-2015 Spark EV models by replacing hybrid battery sections only. After a battery section has been replaced, the battery section has to be balanced with the … Continue reading

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