MANUFACTURER REFERENCE
Generic OBD-II code references — Page 92.
Read the source definition and confirm the exact vehicle, reporting module and diagnostic procedure.
Generic OBD-II
U3019
Control Module Input Power Circuit B/C Correlation
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Generic OBD-II
U301A
Control Module Wake-up Circuit A/Open
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Generic OBD-II
U301B
Control Module Wake-up Circuit A Low
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Generic OBD-II
U301C
Control Module Wake-up Circuit A High
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Generic OBD-II
U301D
Control Module Wake-up Circuit A Performance
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Generic OBD-II
U301E
Control Module Wake-up Circuit B/Open
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Generic OBD-II
U301F
Control Module Wake-up Circuit B Low
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Generic OBD-II
U3020
Control Module Wake-up Circuit B High
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Generic OBD-II
U3021
Control Module Wake-up Circuit B Performance
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Generic OBD-II
U3022
Ignition Input Accessory/Off
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Generic OBD-II
U3023
Control Module Input Power Circuit A - Ignition Input On/Start Circuit Correlation
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Generic OBD-II
U3024
Control Module Input Power Circuit B - Ignition Input On/Start Circuit Correlation
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Generic OBD-II
U3025
Control Module A Disable Circuit/Open
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Generic OBD-II
U3026
Control Module A Disable Circuit Low
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Generic OBD-II
U3027
Control Module A Disable Circuit High
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Generic OBD-II
U3028
Control Module A Disable Feedback Circuit
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Generic OBD-II
U3029
Control Module A Disable Feedback Circuit Low
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Generic OBD-II
U302A
Control Module A Disable Feedback Circuit High
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Generic OBD-II
U302B
Ignition Output Accessory/On/Start
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Generic OBD-II
U302C
Ignition Output Off/On/Start
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Generic OBD-II
U302D
Ignition Output On/Start
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Generic OBD-II
U302E
Ignition Output On
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Generic OBD-II
U302F
Ignition Output Accessory
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Generic OBD-II
U3030
Ignition Output Start
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Generic OBD-II
U3031
Ignition Output Off
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Generic OBD-II
U3032
Ignition Output Accessory/Off
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Generic OBD-II
U3033
Control Module Security Certificate Missing/Invalid
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Generic OBD-II
U3034
Communication Authentication Key/Certificate Missing/Invalid
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Generic OBD-II
U3035
Communication Authentication Signal Invalid Data
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Generic OBD-II
U3036
Communication Authentication Signal Performance
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Generic OBD-II
U3500
Control Module Input Power A Circuit Range/Performance
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Generic OBD-II
U3501
Control Module Input Power A Circuit Low
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Generic OBD-II
U3502
Control Module Input Power A Circuit High
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Generic OBD-II
U3503
Control Module Input Power A Circuit Intermittent/Erratic
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Generic OBD-II
U3504
Control Module Input Power B Circuit Range/Performance
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Generic OBD-II
U3505
Control Module Input Power B Circuit Low
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Generic OBD-II
U3506
Control Module Input Power B Circuit High
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Generic OBD-II
U3507
Control Module Input Power B Circuit Intermittent/Erratic
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Generic OBD-II
U3508
Control Module Input Power C Circuit Range/Performance
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Generic OBD-II
U3509
Control Module Input Power C Circuit Low
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Generic OBD-II
U350A
Control Module Input Power C Circuit High
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Generic OBD-II
U350B
Control Module Input Power C Circuit Intermittent/Erratic
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Generic OBD-II
U350C
Control Module Cooling Fan Circuit/Open
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Generic OBD-II
U350D
Control Module Cooling Fan Circuit Low
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Generic OBD-II
U350E
Control Module Cooling Fan Circuit High
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Generic OBD-II
U350F
Control Module Cooling Fan Circuit Range/Performance
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Generic OBD-II
U3510
Control Module Missing Calibration
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Generic OBD-II
U3511
High Voltage System Interlock Circuit B
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Generic OBD-II
U3512
High Voltage System Interlock Circuit B Performance
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Generic OBD-II
U3513
High Voltage System Interlock Circuit B Low
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Generic OBD-II
U3514
High Voltage System Interlock Circuit B High
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Generic OBD-II
U3515
High Voltage System Interlock Circuit C
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Generic OBD-II
U3516
High Voltage System Interlock Circuit C Performance
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Generic OBD-II
U3517
High Voltage System Interlock Circuit C Low
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Generic OBD-II
U3518
High Voltage System Interlock Circuit C High
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Generic OBD-II
U3519
High Voltage System Interlock Circuit D
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Generic OBD-II
U351A
High Voltage System Interlock Circuit D Performance
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Generic OBD-II
U351B
High Voltage System Interlock Circuit D Low
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Generic OBD-II
U351C
High Voltage System Interlock Circuit D High
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Generic OBD-II
U351D
High Voltage System Interlock Circuit E
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Generic OBD-II
U351E
High Voltage System Interlock Circuit E Performance
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Generic OBD-II
U351F
High Voltage System Interlock Circuit E Low
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Generic OBD-II
U3520
High Voltage System Interlock Circuit E High
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Generic OBD-II
U3521
High Voltage System Interlock Circuit F
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Generic OBD-II
U3522
High Voltage System Interlock Circuit F Performance
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Generic OBD-II
U3523
High Voltage System Interlock Circuit F Low
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Generic OBD-II
U3524
High Voltage System Interlock Circuit F High
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Generic OBD-II
U3525
High Voltage System Interlock Circuit G
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Generic OBD-II
U3526
High Voltage System Interlock Circuit G Performance
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Generic OBD-II
U3527
High Voltage System Interlock Circuit G Low
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Generic OBD-II
U3528
High Voltage System Interlock Circuit G High
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Generic OBD-II
U3529
High Voltage System Interlock Circuit H
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Generic OBD-II
U352A
High Voltage System Interlock Circuit H Performance
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Generic OBD-II
U352B
High Voltage System Interlock Circuit H Low
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Generic OBD-II
U352C
High Voltage System Interlock Circuit H High
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Generic OBD-II
U352D
High Voltage System Interlock Circuit J
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Generic OBD-II
U352E
High Voltage System Interlock Circuit J Performance
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Generic OBD-II
U352F
High Voltage System Interlock Circuit J Low
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Generic OBD-II
U3530
High Voltage System Interlock Circuit J High
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Generic OBD-II
U3531
High Voltage System Interlock Circuit K
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Generic OBD-II
U3532
High Voltage System Interlock Circuit K Performance
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Generic OBD-II
U3533
High Voltage System Interlock Circuit K Low
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Generic OBD-II
U3534
High Voltage System Interlock Circuit K High
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Generic OBD-II
U3535
High Voltage System Interlock Circuit L
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Generic OBD-II
U3536
High Voltage System Interlock Circuit L Performance
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Generic OBD-II
U3537
High Voltage System Interlock Circuit L Low
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Generic OBD-II
U3538
High Voltage System Interlock Circuit L High
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Generic OBD-II
U3539
High Voltage System Interlock Circuit M
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Generic OBD-II
U353A
High Voltage System Interlock Circuit M Performance
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Generic OBD-II
U353B
High Voltage System Interlock Circuit M Low
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Generic OBD-II
U353C
High Voltage System Interlock Circuit M High
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Generic OBD-II
U353D
High Voltage System Interlock Circuit N
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Generic OBD-II
U353E
High Voltage System Interlock Circuit N Performance
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Generic OBD-II
U353F
High Voltage System Interlock Circuit N Low
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Generic OBD-II
U3540
High Voltage System Interlock Circuit N High
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Generic OBD-II
U3541
High Voltage System Interlock Circuit O
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Generic OBD-II
U3542
High Voltage System Interlock Circuit O Performance
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Generic OBD-II
U3543
High Voltage System Interlock Circuit O Low
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Generic OBD-II
U3544
High Voltage System Interlock Circuit O High
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Generic OBD-II
U3545
High Voltage System Interlock Circuit P
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These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.