MIL And Wrench Lamp - Battery Junction Box Fuse 3 Open - 2011-2012 Ford F-53 Motorhome, F-59 Commercial

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TSB 13-4-8	MOTORHOME AND COMMERCIAL CHASSIS – MIL AND WRENCH LAMP – BATTERY JUNCTION BOX FUSE 3 OPEN – BUILT ON 1/19/2010 AND THROUGH 12/18/2012
Publication Date: April 11, 2013

FORD:

2011-2012 F-53 Motorhome Chassis, F-59 Commercial Stripped Chass

ISSUE:

Some 2011-2012 Motorhome and Commercial Chassis built on 1/19/2010 and through 12/18/2012 may exhibit illuminated malfunction indicator lamp (MIL) and wrench light, with open battery junction box (BJB) fuse 3. Various diagnostic trouble codes (DTCs) may be present in the powertrain control module (PCM). This concern may be due to moisture accumulation in the intake manifold runner control (IMRC).

ACTION:

Follow the Service Procedure steps to correct the concern.

SERVICE PROCEDURE

The following DTCs may be stored with this failure; P0103, P0104, P0135, P0141, P0155, P0340, P0433, P0443, P0645, P0660 and/or P2006.

Replace the IMRC. Refer to Workshop Manual (WSM), Section 303-01.
1. Remove the IMRC actuator rod C-clip.
2. Remove the three (3) bolts and the IMRC actuator.
Apply a bead of Motorcraft Clear Silicone Rubber around the base of the IMRC electrical connector. (Figure 1)

Figure 1 – Article 13-4-8
Install the IMRC.
1. Position the IMRC actuator and install the three (3) bolts. Tighten to 10 N-m (89 lb-in).
2. Install the IMRC rod C-clip.
Replace BJB fuse 3.

PART NUMBER	PART NAME
5C3Z-9J559-BA	Control Assy – Engine
F2UZ-14526-P	Fuse
TA-32	Motorcraft Clear Silicone Rubber

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.