U1039 - SCP (J1850) Invalid Or Missing Data For Vehicle Speed

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U1039 - SCP (J1850) INVALID OR MISSING DATA FOR VEHICLE SPEED

Description:
Possible Causes:	Network DTC(s) occur during module-to-module communication concerns. Two types of network concerns can be categorized: Invalid data network concerns - data is transferred within the normal inter-module message, but contains known invalid data. The transmitting module logs a DTC related to the invalid data concern. Missing message network concerns - missing message concerns are logged by the module upon failure to receive a message from another module within a defined retry period.
Diagnostic Aids:	Carry out the on-board diagnostics for the associated network module.
Application		Key On Engine Off	Key On Engine Running	Continuous Memory
All		Refer to the MODULE COMMUNICATIONS NETWORK -- E-SERIES to diagnose the no international standards organization (ISO) 9141 network communication symptom or the antilock braking system (ABS) module does not respond to the scan tool symptom.