U CODE FAMILY
Network code references — Page 8.
Communication and network diagnostic references. A communication code does not identify a failed module by itself.
Generic OBD-II
U049D
Invalid Data Received From Glow Plug Control Module 2
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Generic OBD-II
U049E
Invalid Data Received From Direct Ozone Reduction Catalyst Temperature Sensor
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Generic OBD-II
U049F
Invalid Data Received From Transmission Range Control Module
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Generic OBD-II
U04A0
Invalid Data Received From Engine Coolant Pump Control Module
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Generic OBD-II
U04A1
Invalid Data Received From Hybrid/EV Battery Interface Control Module A
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Generic OBD-II
U04A2
Invalid Data Received From Hybrid/EV Battery Interface Control Module B
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Generic OBD-II
U04A3
Invalid Data Received From Hybrid/EV Battery Interface Control Module C
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Generic OBD-II
U04A4
Invalid Data Received From Particulate Matter Sensor A
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Generic OBD-II
U04A5
Invalid Data Received From Hybrid/EV Battery Interface Control Module E
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Generic OBD-II
U04A6
Invalid Data Received From Hybrid/EV Battery Interface Control Module F
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Generic OBD-II
U04A7
Invalid Data Received From Hybrid/EV Battery Interface Control Module G
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Generic OBD-II
U04A8
Invalid Data Received From Hybrid/EV Battery Interface Control Module H
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Generic OBD-II
U04A9
Invalid Data Received From Hybrid/EV Battery Interface Control Module I
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Generic OBD-II
U04AA
Invalid Data Received From Hybrid/EV Battery Interface Control Module J
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Generic OBD-II
U04AB
Invalid Data Received From Hybrid/EV Battery Interface Control Module K
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Generic OBD-II
U04AC
Invalid Data Received From Hybrid/EV Battery Interface Control Module L
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Generic OBD-II
U04AD
Invalid Data Received From Hybrid/EV Battery Interface Control Module M
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Generic OBD-II
U04AE
Invalid Data Received From Hybrid/EV Battery Interface Control Module N
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Generic OBD-II
U04AF
Invalid Data Received From Hybrid/EV Battery Interface Control Module O
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Generic OBD-II
U04B0
Invalid Data Received From Hybrid/EV Battery Interface Control Module P
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Generic OBD-II
U04B1
Invalid Data Received From Battery Monitor Module
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Generic OBD-II
U04B2
Invalid Data Received From Particulate Matter Sensor B
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Generic OBD-II
U04B3
Invalid Data Received From Planetary Gear Set Control Module
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Generic OBD-II
U04B4
Invalid Data Received From Brake Blending Actuator
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Generic OBD-II
U04B5
Invalid Data Received from Brake System Control Module B
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Generic OBD-II
U04B6
Invalid Data Received From Catalyst Heater Control Module
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Generic OBD-II
U04BA
Invalid Data Received from Switch Input Module “A”
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Generic OBD-II
U04BB
Invalid Data Received from Switch Input Module “B”
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Generic OBD-II
U04BC
Invalid Data Received from Switch Input Module “C”
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Generic OBD-II
U04BD
Invalid Data Received From Park Lock/Pawl Control Module
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Generic OBD-II
U04BE
Invalid Data Received From Battery Charger Control Module B
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Generic OBD-II
U04BF
Invalid Data Received from Drive Motor A Clutch Actuator
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Generic OBD-II
U04C0
Invalid Data Received from Battery Management Control Module
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Generic OBD-II
U0501
Invalid Data Received From Door Control Module B
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Generic OBD-II
U0502
Invalid Data Received From Door Control Module C
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Generic OBD-II
U0503
Invalid Data Received From Door Control Module D
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Generic OBD-II
U0504
Invalid Data Received From Door Control Module E
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Generic OBD-II
U0505
Invalid Data Received From Door Control Module F
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Generic OBD-II
U0506
Invalid Data Received From Door Control Module G
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Generic OBD-II
U0507
Invalid Data Received From Folding Top Control Module
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Generic OBD-II
U0508
Invalid Data Received From Moveable Roof Control Module A
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Generic OBD-II
U0509
Invalid Data Received From Seat Control Module A
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Generic OBD-II
U050A
Invalid Data Received From Seat Control Module B
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Generic OBD-II
U050B
Invalid Data Received From Moveable Roof Control Module “B”
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Generic OBD-II
U050C
Invalid Data Received From Door Control Module H
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Generic OBD-II
U050D
Invalid Data Received From Wireless Accessory Charging Module A
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Generic OBD-II
U050E
Invalid Data Received From Wireless Accessory Charging Module B
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Generic OBD-II
U0511
Invalid Data Received From Seat Control Module C
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Generic OBD-II
U0512
Invalid Data Received From Seat Control Module D
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Generic OBD-II
U0513
Invalid Data Received From Yaw Rate Sensor Module
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Generic OBD-II
U0514
Invalid Data Received From Mirror Control Module A
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Generic OBD-II
U0515
Invalid Data Received From Remote Function Actuation Module
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Generic OBD-II
U0516
Invalid Data Received From Door Switch A
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Generic OBD-II
U0517
Invalid Data Received From Door Switch B
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Generic OBD-II
U0518
Invalid Data Received From Door Switch C
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Generic OBD-II
U0519
Invalid Data Received From Door Switch D
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Generic OBD-II
U051A
Invalid Data Received From Door Switch E
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Generic OBD-II
U0521
Invalid Data Received From Door Switch F
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Generic OBD-II
U0522
Invalid Data Received From Door Switch G
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Generic OBD-II
U0523
Invalid Data Received From Door Window Motor A
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Generic OBD-II
U0524
Invalid Data Received From Door Window Motor B
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Generic OBD-II
U0525
Invalid Data Received From Door Window Motor C
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Generic OBD-II
U0526
Invalid Data Received From Door Window Motor D
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Generic OBD-II
U0527
Invalid Data Received From Door Window Motor E
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Generic OBD-II
U0528
Invalid Data Received From Door Window Motor F
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Generic OBD-II
U0529
Invalid Data Received From Door Window Motor G
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Generic OBD-II
U052A
Invalid Data Received From Heated Steering Wheel Module
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Generic OBD-II
U052F
Invalid Data Received From Object Detection Maintenance Control Module A
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Generic OBD-II
U0530
Invalid Data Received From Object Detection Maintenance Control Module B
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Generic OBD-II
U0531
Invalid Data Received From Rear Gate Module
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Generic OBD-II
U0532
Invalid Data Received From Rain Sensing Module
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Generic OBD-II
U0533
Invalid Data Received From Side Obstacle Detection Control Module A
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Generic OBD-II
U0534
Invalid Data Received From Side Obstacle Detection Control Module B
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Generic OBD-II
U0535
Invalid Data Received From Convenience Recall Module
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Generic OBD-II
U0536
Invalid Data Received From Lateral Acceleration Sensor Module
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Generic OBD-II
U0537
Invalid Data Received From Column Lock Module
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Generic OBD-II
U0538
Invalid Data Received From Digital Audio Control Module C
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Generic OBD-II
U0539
Invalid Data Received From Digital Audio Control Module D
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Generic OBD-II
U053A
Invalid Data Received From Entrapment Control Module A
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Generic OBD-II
U053B
Invalid Data Received From Image Processing Module A
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Generic OBD-II
U053C
Invalid Data Received From Image Processing Module B
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Generic OBD-II
U053D
Invalid Data Received From Image Processing Module C
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Generic OBD-II
U0541
Invalid Data Received From Entrapment Control Module B
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Generic OBD-II
U0542
Invalid Data Received From Headlamp Control Module A
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Generic OBD-II
U0543
Invalid Data Received From Headlamp Control Module B
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Generic OBD-II
U0544
Invalid Data Received From Parking Assist Control Module B
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Generic OBD-II
U0545
Invalid Data Received From Running Board Control Module A
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Generic OBD-II
U0546
Invalid Data Received From Entertainment Control Module - Front
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Generic OBD-II
U0547
Invalid Data Received From Seat Control Module E
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Generic OBD-II
U0548
Invalid Data Received From Seat Control Module F
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Generic OBD-II
U0549
Invalid Data Received From Remote Accessory Module
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Generic OBD-II
U054A
Invalid Data Received From Entertainment Control Module - Rear B
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Generic OBD-II
U054B
Invalid Data Received From Interior Lighting Control Module A
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Generic OBD-II
U054C
Invalid Data Received from Seat Control Module G
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Generic OBD-II
U054D
Invalid Data Received from Seat Control Module H
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Generic OBD-II
U054E
Invalid Data Received from Seat Control Module J
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Generic OBD-II
U054F
Invalid Data Received From Side Obstacle Detection Control Module C
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Generic OBD-II
U0550
Invalid Data Received From Side Obstacle Detection Control Module D
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Generic OBD-II
U0551
Invalid Data Received From Impact Classification System Module
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Generic OBD-II
U0552
Invalid Data Received From Running Board Control Module B
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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.