Air Suspension - Lamp ON/DTC's B2140 or C2140 Set: Overview

Article No.
01-12-8

06/25/01

^ SUSPENSION - AIR SUSPENSION - DIAGNOSTIC
TROUBLE CODES (DTC'S) B2140 OR C2140 -
RIDE HEIGHT RESET PROCEDURE

^ ELECTRICAL - LAMP - AIR SUSPENSION LAMP
ILLUMINATED - DIAGNOSTIC TROUBLE CODES
(DTC'S) B2140 OR C2140 - RIDE HEIGHT RESET
PROCEDURE

FORD:
1997-2001 EXPEDITION

LINCOLN:
1998-2001 NAVIGATOR

ISSUE
Some vehicles may exhibit a check suspension lamp ON with Diagnostic Trouble Codes (DTC's) B2140 or C2140 even after the Air Suspension switch in the upper RH kick panel has been turned on. This may occur at pre-delivery, following suspension service, or after Air Suspension module replacement. This may be caused by the ride height calibration.

ACTION
Adjust and/or recalibrate ride height as necessary using the NGS (New Generation Star) Tester. Refer to the following Service Procedure for details.

OTHER APPLICABLE ARTICLES: NONE

WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage

OPERATION DESCRIPTION TIME

011208A Recalibrate Ride Height 0.2 Hr.
For Rear Air Suspension
(R.A.S.) 4X2 Vehicles Only

011208B Recalibrate Ride Height 0.5 Hr.
For 4 Wheel Air
Suspension (4W.A.S.)
(Includes Time To Adjust
Torsion Bars 4X4 Vehicles
Only)

DEALER CODING
CONDITION
BASIC PART NO. CODE
5A919 42

OASIS CODES: 206000, 304000, 390000