MIL with DTCs P0135 and P0155 – 2012 Ford Expedition & Lincoln Navigator – Ford & Lincoln

“This site contains affiliate links for which OEMDTC may be compensated”

TSB 13-5-7	MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED – DTCS P0135 AND P0155 – BUILT ON OR BEFORE 11/31/2011
Publication Date: May 7, 2013

FORD:	2012 Expedition
LINCOLN:	2012 Navigator

ISSUE:

Some 2012 Expedition and Navigator vehicles built on or before 11/31/2011 may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0135 and P0155. DTCs P0030, P0050, P0053, P0059, P0141, or P0161 may also be present.

ACTION:

Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE

Retrieve all DTCs in the Powertrain Control Module (PCM). Are DTCs P0135 and P0155 present?
1. Yes – proceed to Step 2.
2. No – this article does not apply. Refer to Powertrain Control/Emissions Diagnosis (PC/ED) Manual for normal diagnostics.
Locate C146 in the right rear corner of the engine compartment. Separate the connector and inspect the pins carefully for signs of contamination, discoloration and/or moisture intrusion. Refer to Wiring Diagram, Section 152-1. (Figure 1)
Figure 1 – Article 13-5-7
Is contamination present?
1. Yes – proceed to Step 4.
2. No – this article does not apply. Refer to PC/ED Manual for normal diagnostics.
Replace connector pigtails on both the female and male sides following desired splicing method. Refer to Wiring Diagram, Section 5-1.
Apply Motorcraft Electrical Grease to the connector terminals.
Install the original harness retainer on the male connector and secure the harness.

PART NUMBER	PART NAME
DU2Z-14S411-RA	Wiring Pigtail Kit – Female Connector
DU2Z-14S411-SA	Wiring Pigtail Kit – Male Connector
XG-12	Motorcraft Electrical Grease

WARRANTY STATUS:

Eligible Under Provisions Of New Vehicle Limited Warranty Coverage And Emissions Warranty Coverage
IMPORTANT: 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
130507A	2012 Expedition And Navigator: Check DTCs Inspect And Replace Connectors Includes Time To Clear Codes After Repair (Do Not Use With Any Other Labor Operations)	1.4 Hrs.