2012 Kenworth K270 TSBs
15 Technical Service Bulletins across 7 categories
Categories
Electrical
6 bulletinsInfo Only Dealers/body builders installing liftgates onto K270E/K370E BEV trucks must use 24-volt liftgate systems.
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12-volt liftgate systems are not compatible with vehicle electrical systems.
Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the...
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appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.
Information Only Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead...
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to water intrusion and corrosion in some vehicles.
Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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THE WIRES FOR THE TEMPERATURE AND BAROMETRIC PRESSURE (TBAP) SENSOR HARNESS, MAY BE EXPOSE TO CHAFING OR RUBBING ON CHASSIS, AND WOULD NEED TO BE INSPECTED. MODELS 2012 K270, 370, T170, 270, 370. *PE
KENWORTH: CERTAIN CHASSIS WERE MANUFACTURED, INCORRECTLY, WITH CAB POWER OUTLET AND CABLE COIL, UNDER DASH.
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MODELS 2011-2012 K270, K370. *PE
Other
3 bulletins"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes.
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2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
Information Only: Notification that DAVIE4 can be used to program Model 210 and Model 220 Vehicles.
KENWORTH: ON SOME MANUFACTURED CHASSIS, THE CLEARANCE BETWEEN FRAME RAIL AND CHARGE AIR COOLER PIPE MAY BE INADEQUATE...
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AND CONDITION NEEDS TO BE INSPECTED AND CORRECTED, IF REQUIRED. MODELS 2011-2012 K270, K370. *PE
Transmission
2 bulletinsFix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator...
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(LCA) fault codes leading to possible LCA hardware replacement.
KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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DUE TO THE LENGTH OF THE DIPSTICK (TOO LONG), BEING INCORRECT, IN SOME TRUCKS/CHASSIS, IT FAILS TO GIVE AN INACCURATE READING FOR FLUID LEVEL IN THE TRANSMISSION. MODELS 2012 K270, K370. *PE
Body & Paint
1 bulletinInformation Only Windshield washer pumps have a high No Trouble Found rate.
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Washer pumps may fail to spray due to a clogged filter.
Software & Calibration
1 bulletinInformation Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer.
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The issue can be temporarily resolved using any one of the included procedures.
HVAC & Climate
1 bulletinInformation Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the...
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A/C compressor.
Pre-Delivery & Maintenance
1 bulletinInformation Only This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke...
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Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).