Explorer AWD V8-4.6L (2010)
U27 CHECK FOR CORRECT PCM OPERATION
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Disconnect all the PCM connectors.
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Check for:
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corrosion
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damaged pins
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pushed-out pins
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Connect all the PCM connectors and make sure they seat correctly.
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Operate the system and verify the concern is still present.
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Is the concern still present?
Yes
INSTALL a new PCM. REFER to Computers and Control Systems. CLEAR the DTCs. REPEAT the network test with the scan tool.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the
network test with the scan tool.
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U28 CHECK FOR CORRECT ABS MODULE OPERATION
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Disconnect the ABS module connector.
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Check for:
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corrosion
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damaged pins
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pushed-out pins
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Connect the ABS module connector and make sure it seats correctly.
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Operate the system and verify the concern is still present.
-
Is the concern still present?
Yes
INSTALL a new ABS module. REFER to Antilock Brakes / Traction Control Systems. CONNECT all modules. CLEAR the DTCs. REPEAT the
network test with the scan tool.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CONNECT all modules. CLEAR
the DTCs. REPEAT the network test with the scan tool.
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U29 CHECK FOR CORRECT 4X4 CONTROL MODULE OPERATION
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Disconnect the 4X4 control module connector.
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Check for:
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corrosion
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damaged pins
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pushed-out pins
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Connect the 4X4 control module connector and make sure it seats correctly.
-
Operate the system and verify the concern is still present.
-
Is the concern still present?
Yes
INSTALL a new 4X4 control module. REFER to Transfer Case. CONNECT all modules. CLEAR the DTCs. REPEAT the network test with the scan
tool.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CONNECT all modules. CLEAR
the DTCs. REPEAT the network test with the scan tool.
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U30 CHECK FOR CORRECT OCSM OPERATION
