Electrical - MIL ON, DTC U029F, No Crank, Fuse F27 Open
TSB 13-2-1002/14/13
MIL WITH DTC U029F AND/OR NO CRANK WITH FUSE F27 OPEN IN BJB
FORD:
2011 Fiesta
This article supersedes TSB 11-5-21 to remove the production fix date, update the Service Procedure and Part List.
ISSUE
Some 2011 Fiesta vehicles may exhibit a Malfunction Indicator Lamp (MIL) with Diagnostic Trouble Code (DTC) U029F set in the Powertrain Control Module (PCM) and/or a no crank condition with no communication with the PCM.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
1. Disconnect battery. Refer to Workshop Manual (WSM), Section 414-01.
2. Inspect fuse F27 in the Battery Junction Box (BJB) for a possible open condition. Replace fuse as required. Refer to Wiring Diagram, Section 11-1.
3. Remove rear seat cushion. Refer to WSM, Section 501-10.
4. Determine vehicle build date. Is date on or before 3/29/2011?
a. Yes - Install in-line fuse included with Natural Vacuum Leak Detection (NVLD) service kit. Follow installation instructions included with kit.
b. No - Inspect in-line NVLD fuse. (Figure 1)
(1) Fuse open - Replace 1A fuse and install new NVLD service kit.
(2) Fuse closed - Install rear seat cushion, connect battery and discontinue this article. Refer to Powertrain Control/Emission Diagnosis (PC/ED) manual, pinpoint test HZ, for normal diagnostics.
5. Install rear seat cushion. Refer to WSM, Section 501-10.
6. Connect battery. Refer to WSM, Section 414-01.
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
130210A 2011 Fiesta: Check DTCs, 0.4 Hr.
Inspect And Replace Fuse
As Necessary Includes
Time To Remove And
Install Rear Seat Cushion
(Do Not Use With Any
Other Labor Operations)
130210B 2011 Fiesta: Check DTCs, 0.8 Hr.
Inspect And Replace Fuse
As Necessary, Install The
NVLD Service Kit Includes
Time To Remove And
Install Rear Seat Cushion
(Do Not Use With Any
Other Labor Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
9J279 49
Disclaimer