Expedition 2WD V8-5.4L (2009)
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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 PRB module 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 PRB module. 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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V70 CHECK FOR CORRECT PAM OPERATION
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Disconnect all the PAM connector(s).
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Check for:
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corrosion
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damaged pins
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pushed-out pins
-
Connect all the PAM connector(s) and make sure they seat correctly.
-
Operate the system and verify the concern is still present.
-
Is the concern still present?
Yes
INSTALL a new PAM. 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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V71 CHECK FOR CORRECT LTM OPERATION
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Disconnect all the LTM connectors.
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Check for:
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corrosion
-
damaged pins
-
pushed-out pins
-
Connect all the LTM connectors and make sure they seat correctly.
-
Operate the system and verify the concern is still present.
-
Is the concern still present?
Yes
INSTALL a new LTM. 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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Pinpoint Test W: Intermittent No High Speed Controller Area Network (HS-CAN) Communication,
One Or More Modules Are Not Respond
Communications Network
