Electrical - MIL ON/DTC's P1285/P1299/P0128
TSB 11-6-706/03/11
MALFUNCTION INDICATOR LAMP (MIL) WITH
DIAGNOSTIC TROUBLE CODES (DTCS) P1285, P1299
AND/OR P0128
FORD:
2010-2011 Fusion, Escape, Transit Connect
LINCOLN:
2011 MKZ
MERCURY:
2010-2011 Milan, Mariner
ISSUE
Some 2010-2011 Transit Connect, Fusion, Milan, Escape and Mariner vehicles, equipped with a 2.5L engine or 2.5L Atkinson engine and 2011 MKZ vehicles equipped with a 2.5L Atkinson engine may exhibit a MIL on with DTC(s) P1285, P1299 and/or P0128. Actual engine temperature and thermostat operation is normal. Engine cooling fan operation may also be affected.
ACTION
Refer to service procedure to correct the condition.
SERVICE PROCEDURE
This concern may be due to corrosion at connector C1164.
1. Inspect connector C1164 at cylinder head temperature (CHT) sensor for evidence of water contamination.
a. If evidence of water contamination, proceed to Step 2.
b. If water contamination is not evident, do not continue with this procedure. Refer to Powertrain Controls/Emissions Diagnosis (PC/ED) Manual, pinpoint test DL1 for normal diagnostics.
2. If corrosion from water contamination is severe and terminals are rusted and disintegrated, (Figure 1)
a. cut off connector C1164 and install a new pigtail connector. Refer to instruction sheet.
b. replace the CHT sensor. Refer to Workshop Manual (WSM), Section 303-14. Proceed to Step 4.
3. If corrosion is not severe, remove any water and thoroughly clean connector C1164 and the CHT sensor.
4. Add Motorcraft(R) Electrical Grease to the CHT sensor and connector C1164. Attach connector to sensor.
a. Motorcraft(R) Electrical Grease is required for this repair. This grease is designed to withstand high underhood temperatures which substitute material may not be able to withstand.
Parts Block
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
110607A 2010-2011 Fusion, Milan 0.4 Hr.
2.5L DOHC And 2.5L
Atkinson, Escape, Mariner
2.5L DOHC And 2.5L
Atkinson, Transit Connect,
And 2011 MKZ Hybrid:
Check DTCs, Inspect,
Clean Connector And
Sensor, And Apply Grease
(Do Not Use With Any
Other Labor Operations)
110607B 2010-2011 Fusion, Milan 0.5 Hr.
2.5L DOHC And 2.5L
Atkinson, Escape, Mariner
2.5L DOHC And 2.5L
Atkinson, Transit Connect,
And 2011 MKZ Hybrid:
Check DTCs, Inspect,
Replace Connector,
Sensor And Apply Grease
(Do Not Use With Any
Other Labor Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
6G004 30
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