F 450 2WD Super Duty V8-6.0L DSL Turbo VIN P (2006)
PINPOINT TEST E: THE RESTRAINT CONTROL MODULE (RCM) DOES NOT RESPOND TO THE DIAGNOSTIC TOOL
E1-E3
Normal Operation
The RCM communicates with the diagnostic tool through the international standards organization (ISO) 9141 communications network, circuit 70
(LB/WH). Check circuit 70 (LB/WH) between the RCM C2041, and the data link connector (DLC) C251. The total resistance values must not be
more than 5 ohms. If the resistance is more than 5 ohms there is an open in the ISO 9141 circuit, damage to the DLC C251, damage to the RCM
C2041, or a problem in an in-line connector.
Possible Causes
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ISO 9141 communications network, circuit 70 (LB/WH) open
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RCM C2041
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RCM
Test F: The Trailer Brake Controller Does Not Respond to the Diagnostic Tool
PINPOINT TEST F: THE TRAILER BRAKE CONTROLLER DOES NOT RESPOND TO THE DIAGNOSTIC TOOL
