Module Communications Network DTCS

MODULE COMMUNICATIONS NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description	Perform Test
B1485	Brake Pedal Input Circuit Battery Short	Using NGS tester, perform air suspension control module self-test. Ensure brake pedal is not pressed. If B1485 is retrieved again, repair Brake Pedal Position (BPP) switch circuit. See EXTERIOR LIGHTS in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.
B1345	Heated Backlight Input Circuit Short To Ground	Repair defogger concern. See HEATED GLASS article.
B1347	Heated Backlight Relay Circuit Failure	Repair defogger concern. See HEATED GLASS article.
B1349	Heated Backlight Relay Short To Power	Repair defogger concern. See HEATED GLASS article.
B1371	Illuminated Entry Relay Circuit Failure	INTERIOR LIGHTS wiring diagram
B1373	Illuminated Entry Relay Short To Power	INTERIOR LIGHTS wiring diagram
B1483	Brake Pedal Input Circuit Failure	Repair interior illumination concern. See INTERIOR LIGHTS wiring diagram article.
B1485	Brake Pedal Input Circuit Short To Power	INTERIOR LIGHTS wiring diagram
U1027	SCP Invalid Or Missing Data For Engine RPM	Perform Quick Test. See QUICK TEST in SELF-DIAGNOSTICS article.
U1041	SCP Invalid Or Missing Data For Vehicle Speed	Perform Quick Test. See QUICK TEST in SELF-DIAGNOSTICS article.
U1073	SCP Invalid Or Missing Data For Engine Coolant	Perform Quick Test. See QUICK TEST in SELF-DIAGNOSTICS article.
U1123	SCP Invalid Or Missing Data For Odometer	Perform Quick Test. See QUICK TEST in SELF-DIAGNOSTICS article.
U1132	SCP Invalid Or Missing Data For Odometer	Perform Quick Test. See QUICK TEST in SELF-DIAGNOSTICS article.
U1073	SCP Invalid Or Missing Data For Engine Coolant	Perform Quick Test. See QUICK TEST in SELF-DIAGNOSTICS article.
U1341	SCP Invalid Data For Vehicle Speed	Perform Quick Test. See QUICK TEST in SELF-DIAGNOSTICS article.