F 150 4WD V8-4.6L VIN 8 (2010)
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Disconnect all the ACM 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 ACM 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 ACM. REFER to Accessories and Optional Equipment. 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.
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W54 CHECK FOR CORRECT AUDIO DSP MODULE OPERATION
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Disconnect all the audio DSP module 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 audio DSP module connectors and make sure they seat correctly.
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Operate the system and verify the concern is still present.
-
Is the concern still present?
Yes
INSTALL a new audio DSP module. REFER to Accessories and Optional Equipment. CLEAR the DTCs. CONNECT all modules. 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. CONNECT all
modules. REPEAT the network test with the scan tool.
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W55 CHECK FOR CORRECT HVAC MODULE OPERATION
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Disconnect all the HVAC module 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 HVAC module connectors and make sure they seat correctly.
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Operate the system and verify the concern is still present.
-
Is the concern still present?
Yes
INSTALL a new HVAC module. 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.
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