Diesel Data: Automotive Repair

Emissions - MIL ON/DTC's P0455/P0456 Set

TSB 10-24-10

12/16/2010

DTC P0455 / P0456 DUE TO NVLD FILTER CRACK - VEHICLES BUILT ON OR BEFORE 7/19/2010

FORD:
2011 Fiesta

ISSUE
Some 2011 Fiesta vehicles built on or before 7/19/2010 may exhibit a check engine light with diagnostic trouble code (DTC) P0455 and/or P0456 due to a crack in the Natural Vacuum Leak Detection (NVLD) Module filter.

ACTION
Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE





Inspect filter next to NVLD module for visible cracks. If cracks are found, replace the NVLD module assembly. Refer to Workshop Manual (WSM), Section 303-13. (Figure 1)





WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage And Emissions Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.

OPERATION DESCRIPTION TIME

102410A 2011 Fiesta: Check DTCs, 0.5 Hr.
Inspect Filter, And Replace
NVLD Module Assembly
(Do Not Use With Any
Other Labor Operations)

DEALER CODING
CONDITION
BASIC PART NO. CODE
9J279 01





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