× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2006 Ford Expedition Limited 5.4L Air Ride Codes
Posted to Ford Chassis on 2/12/2020 8 Replies

I recently put in new battery and cable ends, due to both causing problems. Several days later the check air suspension message came on but the system is working. The only code is C1991 system calibration fault/needed. Ive done the self test, the pnuematic...

8 Replies Received (View Replies)

  Related Documents & Media  2006 Ford Expedition Limited

 
Open Help Request

car Vehicle Data

2006 Ford Expedition Limited

VIN 1FMFU20556
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedAir Ride Codes
ConditionsWill Not Clear
Misc.Air Ride
Open Help Request

car Vehicle Data

2006 Ford Expedition Limited

VIN 1FMFU20556
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedAir Ride Codes
ConditionsWill Not Clear
Misc.Air Ride