Diagnostic Tips

2020-2022 Freightliner Cascadia ABS Fault Codes 520216/31 and 629/11

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2022 Freightliner Cascadia

NHTSA ID Number: 10194446 Manufacturer Communication Number: CALFTL54-009 Summary Customer Advisory Letter on New Cascadia ABSeBay Fault Codes 520216/31 and 629/11     Daimler TruckseBay North America LLC Customer Advisory Letter   Subject: New Cascadia ABSeBay Fault Codes 520216/31 and 629/11 Models Affected: New Cascadia   Our records indicate that you are the owner of certain vehicles, … Read more

2021 Van Hool TDX25 Optimization of 3-Speed Fan Clutch Control

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Van Hool

NHTSA ID Number: 10194441 Manufacturer Communication Number: SB1997   Summary Optimization of 3-speed fan clutch control. FIELD CHANGE PROGRAM: Van Hool has optimized the multiplex program regarding to the 3-speed fan clutch control. This optimization will give a solution for the overheating issues at certain operation conditions. Owners and operators are requested to load the new multiplex … Read more

ENP-733 – De-rate and Hours to Empty Calibrations – Blue iQ Cummins B6.7L CNG

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Cummins B6.7

NHTSA ID Number: 10174934 Manufacturer Communication Number: ENP-733 Summary The Agility Fuel Solutions (Agility®) service team identified two fuel system ECU (electronic control unit) calibration issues in Blue iQ CNG (compressed natural gas) fuel systems for the CumminseBay® 6.7L engine. Issue 1: Program incompatibility causes throttle response to drop to zero when an attempt is made to … Read more

IK1200478 – On vehicle DOC Cleaning MaxxForce 7 Engines

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MaxxForce

NHTSA ID Number: 10164504 Manufacturer Communication Number: IK1200478 Summary On vehicle DOC Cleaning MaxxForce® 7 Engines   1 Affected Product Vehicle INTERNATIONALeBay INTERNATIONALeBay 9999   DESCRIPTION A method to clean the DOC on the vehicle with NED in combination with ZTSE 6031 has been developed. A partially plugged DOC may cause excessive Exhaust Back Pressure and cause … Read more

Prevost Aware Adaptive Cruise Braking (ACB) FLR20 & FLR21 Radar Sensor Alignment – 2014-2019 Prevost

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Prevost H3-45 VIP

NHTSA ID Number: 10161731 Manufacturer Communication Number: Mi14-34D Summary PREVOSTeBay AWARE ADAPTIVE CRUISE BRAKING (ACB) – FLR20 & FLR21 RADAR SENSOR ALIGNMENT   37 Affected Products Vehicles PREVOSTeBay H3-41 2014-2019 PREVOSTeBay H3-45 2014-2019 PREVOSTeBay H3-45 VIP 2014-2019 PREVOSTeBay X3-45 2014-2019 PREVOSTeBay X3-45 COMMUTER 2018-2019 PREVOSTeBay X3-45 VIP 2014-2019 PREVOSTeBay X3-45 VIP ENTERTAINER 2014-2018   DESCRIPTION PrevosteBay AWARE … Read more