Navistar International DT 466 Diagnostic/Troubleshooting Manual page 334

330 7 ELECTRONIC CONTROL SYSTEMS DIAGNOSTICS
DTC 126 = Signal voltage was < 0.039 V for more than 0.1 second
DTC 127 = Signal voltage was > 4.9 V for more than 0.1 second
DTC 546 = Brake control pressure was < 4 MPa (580 psi) for more than 3.0 seconds
DTC 547 = Brake control pressure was > 4.5 MPa (653 psi) for more than 3.0 seconds
EGES-270-1
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.