Diagnostic Tips


2010 Infititi XQ56 No Crank, No Start, No Communication on the CAN Bus CAN Bus High Shorted to Ground CAN High + Low Resistance at DLC about 100 ohms ICC Sensor Shorted Internally     2007 Jeep Wrangler OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST First Weight 0 lbs Second Weight 0 lbs Third Weight 35 … Read more

TPMS Module Relocation – 2022-2023 Coachmen Cross Trail, Leprechaun & Prism


NHTSA ID Number: 10227800 Manufacturer Communication Number: 2101586 Summary The Ford TPMS warning light will show on the dash instrument cluster indicating a missing tire pressure on one or multiple rear wheels. Due to the location of the Ford module, wireless signals from the wheel sensors to the TPMS receiver module may be blocked or weakened.   … Read more

Blue iQ® Fault Code 6958 Diagnostic Procedure

Hexagon Agility

NHTSA ID Number: 10203562 Manufacturer Communication Number: DSM.0020   Summary This Diagnostic Procedure document is for Blue iQ® Fault Code 6958, which is a fault triggered when the Blue iQ® Fuel System Control Module (FSCM) detects supply solenoid valve (SSV) power shorted to ground.   Gaseous Fuel High Pressure Shutoff Valve Circuit – Current Above Normal or … Read more

Enabling the Stay Warm Feature – 2017 Thomas Built Bus Saf-T-Liner C2 School Buses

Thomas Built Saf-T-Liner C2

NHTSA ID Number: 10194468 Manufacturer Communication Number: CALTB01-001   Summary Customer Advisory Letter on Enabling the Stay Warm Feature     Models Affected: Saf-T-Liner C2 School Buses built from April 11, 2017 through April 26, 2017.   General Information These chassis were spec’d with the stay warm feature enabled in the engine control module that allows the … Read more

Keyless Entry Battery – 2016-2018 Freightliner Custom Chassis FCCC


NHTSA ID Number: 10194461 Manufacturer Communication Number: CALFCCC54-001   Summary Customer Advisory Letter on Keyless Entry Battery     Models Affected: Recreational Vehicles built from November 10, 2016 through January 10, 2018. General Information Freightliner Custom Chassis Corporation (FCCC) has determined that the keyless entry push-to-start remote (key fob) battery may discharge prematurely on the enclosed vehicle … Read more