During a routine truck delivery inspection a malfunction of the air flow restriction indicator light was...
E-One technical service bulletin TSB2018-1043 for 2007, 2009, 2017-2018 E-One Cyclone II, 2008-2011, 2013-2017 E-One Quest and 2010-2018 E-One Typhoon and others.
- Bulletin number
- TSB2018-1043
- Component
- Exterior lighting: turn signal
- Summary
- During a routine truck delivery inspection a malfunction of the air flow restriction indicator light was detected. Our investigation determined that the malfunction was introduced in 2010 with the launch of the new ISSPRO gauge cluster. The new dash gauge cluster changed the requirement for air flow sensor signal from active high to active low. This malfunction went unnoticed until now due to our published air filter routine maintenance requirements and the air filter?s longevity.
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