Emissions - MIL ON/DTC P0401 Stored In Memory
TSB 12-6-1406/30/12
6.7L DIESEL - MALFUNCTION INDICATOR LAMP (MIL)
WITH DIAGNOSTIC TROUBLE CODE (DTC) P0401
FORD:
2011-2012 F-Super Duty
This article supersedes TSB 12-3-13 to update the Service Labor Time Standards.
ISSUE
Some F-Super Duty vehicles equipped with a 6.7L diesel engine may exhibit a MIL with DTC P0401. This concern may be caused by a restricted
exhaust gas recirculation (EGR) cooler core.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
1. Using a scan tool, check all continuous memory
DTCs. Is DTC P0401 present with no other
EGR system related codes?
a. No - this procedure does not apply, refer to
the Powertrain Control/Emissions Diagnosis
(PC/ED) manual to diagnose this concern.
b. Yes - proceed to Step 2.
2. Using a scan tool, perform a key on engine running (KOER) self test. Is DTC P2457 present?
a. No - this article does not apply. Refer to PC/ED, pinpoint test W to diagnose DTC P0401.
b. Yes - Replace the EGR cooler core. Refer to Workshop Manual, Section 303-08 for EGR cooler core replacement.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited
Warranty Coverage And Emissions Warranty Coverage Warranty/ESP coverage
limits/policies/prior approvals are not altered by a TSB. Warranty/ESP coverage limits are determined by the identified causal part and
verified using the OASIS part coverage tool.
OPERATION DESCRIPTION TIME
120614A 2011-2012 F-Super Duty 3.5 Hrs.
6.7L: Check DTCs,
Replace The EGR Cooler
core (Do Not Use With
Any Other Labor
Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
9V425 55
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