MANUFACTURER REFERENCE
Generic OBD-II code references — Page 84.
Read the source definition and confirm the exact vehicle, reporting module and diagnostic procedure.
Generic OBD-II
U01AD
Lost Communication With Hybrid/EV Battery Interface Control Module N
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Generic OBD-II
U01AE
Lost Communication With Hybrid/EV Battery Interface Control Module O
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Generic OBD-II
U01AF
Lost Communication With Hybrid/EV Battery Interface Control Module P
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Generic OBD-II
U01B0
battery-monitor LIN messages stop arriving
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Generic OBD-II
U01B1
Lost Communication With Particulate Matter Sensor B
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Generic OBD-II
U01B2
Lost Communication With Planetary Gear Set Control Module
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Generic OBD-II
U01B3
Lost Communication With Brake Blending Actuator
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Generic OBD-II
U01B4
Lost Communication With Brake System Control Module B
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Generic OBD-II
U01B5
Lost Communication With Catalyst Heater Control Module
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Generic OBD-II
U01B6
Lost Communication With Fuel Heater Control Module
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Generic OBD-II
U01B7
Lost Communication With Switch Input Module “A”
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Generic OBD-II
U01B8
Lost Communication With Switch Input Module “B”
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Generic OBD-II
U01B9
Lost Communication With Switch Input Module “C”
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Generic OBD-II
U01BA
Lost Communication With Park Lock/Pawl Control Module
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Generic OBD-II
U01BB
Lost Communication With Battery Charger Control Module B
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Generic OBD-II
U01BC
Lost Communication With Charge Air Cooler Coolant Pump B
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Generic OBD-II
U01BD
Lost Communication With DC/DC Converter Control Module C
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Generic OBD-II
U01BE
Lost Communication with Drive Motor A Clutch Actuator
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Generic OBD-II
U01BF
Lost Communication with Battery Management Control Module
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Generic OBD-II
U0200
Lost Communication With Door Control Module B
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Generic OBD-II
U0201
Lost Communication With Door Control Module C
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Generic OBD-II
U0202
Lost Communication With Door Control Module D
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Generic OBD-II
U0203
Lost Communication With Door Control Module E
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Generic OBD-II
U0204
Lost Communication With Door Control Module F
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Generic OBD-II
U0205
Lost Communication With Door Control Module G
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Generic OBD-II
U0206
Lost Communication With Folding Top Control Module
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Generic OBD-II
U0207
Lost Communication With Moveable Roof Control Module A
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Generic OBD-II
U0208
Cherokee heated-seat communication and RA2 radio software
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Generic OBD-II
U0209
Lost Communication With Seat Control Module B
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Generic OBD-II
U020A
Lost Communication With Moveable Roof Control Module “B”
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Generic OBD-II
U020B
Lost Communication With Door Control Module H
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Generic OBD-II
U020C
Lost Communication With Wireless Accessory Charging Module A
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Generic OBD-II
U020D
Lost Communication With Wireless Accessory Charging Module B
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Generic OBD-II
U0210
Lost Communication With Seat Control Module C
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Generic OBD-II
U0211
Lost Communication With Seat Control Module D
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Generic OBD-II
U0212
Pacifica steering-column messages before module replacement
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Generic OBD-II
U0213
Lost Communication With Mirror Control Module A
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Generic OBD-II
U0214
Mach-E phone-as-key failure after an over-the-air update
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Generic OBD-II
U0215
Lost Communication With Door Switch A
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Generic OBD-II
U0216
Lost Communication With Door Switch B
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Generic OBD-II
U0217
Lost Communication With Door Switch C
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Generic OBD-II
U0218
Lost Communication With Door Switch D
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Generic OBD-II
U0219
Lost Communication With Door Switch E
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Generic OBD-II
U0220
Lost Communication With Door Switch F
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Generic OBD-II
U0221
Lost Communication With Door Switch G
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Generic OBD-II
U0222
Lost Communication With Door Window Motor A
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Generic OBD-II
U0223
Lost Communication With Door Window Motor B
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Generic OBD-II
U0224
Lost Communication With Door Window Motor C
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Generic OBD-II
U0225
Lost Communication With Door Window Motor D
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Generic OBD-II
U0226
Lost Communication With Door Window Motor E
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Generic OBD-II
U0227
Lost Communication With Door Window Motor F
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Generic OBD-II
U0228
Lost Communication With Door Window Motor G
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Generic OBD-II
U0229
Lost Communication With Heated Steering Wheel Module
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Generic OBD-II
U022E
Lost Communication With Object Detection Maintenance Control Module A
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Generic OBD-II
U022F
Lost Communication With Object Detection Maintenance Control Module B
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Generic OBD-II
U0230
Lost Communication With Rear Gate Module
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Generic OBD-II
U0231
Lost Communication With Rain Sensing Module
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Generic OBD-II
U0232
Expedition and Navigator radar warnings need contamination and wiring checks
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Generic OBD-II
U0233
Lost Communication With Side Obstacle Detection Control Module B
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Generic OBD-II
U0234
Lost Communication With Convenience Recall Module
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Generic OBD-II
U0235
long-range radar protected bursts are missing
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Generic OBD-II
U0236
Lost Communication With Column Lock Module
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Generic OBD-II
U0237
Ford audio loss with DSP reset and programming
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Generic OBD-II
U0238
Lincoln Aviator audio loss and the DSP recovery test
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Generic OBD-II
U0239
Lost Communication With Entrapment Control Module A
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Generic OBD-II
U023A
2024 Mustang pre-collision warning after remote start
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Generic OBD-II
U023B
Lost Communication With Image Processing Module B
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Generic OBD-II
U023C
video-processing status messages exceed their timeout
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Generic OBD-II
U023D
left-front short-range radar burst timeout
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Generic OBD-II
U023E
right-front short-range radar data stops arriving
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Generic OBD-II
U0240
Lost Communication With Entrapment Control Module B
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Generic OBD-II
U0241
Lost Communication With Headlamp Control Module A
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Generic OBD-II
U0242
Lost Communication With Headlamp Control Module B
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Generic OBD-II
U0243
Lost Communication With Parking Assist Control Module B
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Generic OBD-II
U0244
Expedition and Navigator running-board faults from DSM software
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Generic OBD-II
U0245
Lost Communication With Entertainment Control Module - Front
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Generic OBD-II
U0246
Lost Communication With Seat Control Module E
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Generic OBD-II
U0247
Lost Communication With Seat Control Module F
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Generic OBD-II
U0248
Lost Communication With Remote Accessory Module
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Generic OBD-II
U0249
Lost Communication With Entertainment Control Module - Rear B
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Generic OBD-II
U024A
Lost Communication With Interior Lighting Control Module A
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Generic OBD-II
U024B
Lost Communication With Seat Control Module G
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Generic OBD-II
U024C
Lost Communication With Seat Control Module H
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Generic OBD-II
U024D
Lost Communication With Seat Control Module J
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Generic OBD-II
U024E
Lost Communication With Side Obstacle Detection Control Module C
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Generic OBD-II
U024F
Lost Communication With Side Obstacle Detection Control Module D
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Generic OBD-II
U0250
Lost Communication With Impact Classification System Module
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Generic OBD-II
U0251
Lost Communication With Running Board Control Module B
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Generic OBD-II
U0252
2023 F-Super Duty history code after BCM self-test
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Generic OBD-II
U0253
Mach-E drive-mode fallback and coordinated software updates
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Generic OBD-II
U0254
Lost Communication With Remote Start Module
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Generic OBD-II
U0255
Lost Communication With Front Display Interface Module
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Generic OBD-II
U0256
Lost Communication With Front Controls Interface Module A
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Generic OBD-II
U0257
Lost Communication With Front Controls/Display Interface Module
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Generic OBD-II
U0258
Lost Communication With Radio Transceiver
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Generic OBD-II
U0259
Lost Communication With Special Purpose Vehicle Control Module A
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Generic OBD-II
U025A
Lost Communication With Special Purpose Vehicle Control Module B
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Generic OBD-II
U025B
Lost Communication With Special Purpose Vehicle Control Module C
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Generic OBD-II
U025C
Lost Communication With Special Purpose Vehicle Control Module D
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Generic OBD-II
U025D
Lost Communication With Front Controls Interface 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.