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Diagnostic trouble code

U19BD-87

U19BD-87 Fault Code

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Car Codes diagnostic trouble code

U19BD-87Diagnostic priority

…, C1F90-97 ADAS control unit 2 circuit C1F05-49 Front camera unit C1F05-97 Front camera unit C1F05-04 Front camera unit U19BC-87 CAN comm err (Side radar rear LH) U19BD-87 CAN comm err (Side radar rear RH) U19C2-87 Ethernet circuit ERROR(AVM) U19C7-87 Ethernet comm err (HD map module) U19C6-87 Ethernet comm err (Front camera) C21F6-49 Camera C258E-86 Steering Angle Sensor C2500-49 Camera unit malf C2506-49…

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Code interpretation

What U19BD-87 means

This code indicates Vehicle fault code with verified manufacturer evidence Its precise meaning depends on the reporting control module, complete failure-type suffix, model year, powertrain and software level.

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Driver experience

Symptoms you may notice

A stored diagnostic trouble code or a related system warning.

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Test, do not guess

Possible causes

The precise cause depends on the reporting module, vehicle specification, circuit condition and software level.

Evidence-led checks

Recommended diagnostic route

Save the complete scan and confirm the code against model-specific technical information before testing.

  1. Capture the evidenceSave the complete all-module scan, code suffixes and freeze-frame data.
  2. Prove the basicsTest battery condition, system voltage, power and grounds.
  3. Identify the reporterConfirm the module that logged the code and check circuit integrity.
  4. Compare live dataReview commanded and actual values under the conditions that set the code.
  5. Test before replacingUse model-specific wiring diagrams, pin tests and technical information.
  6. Verify the repairClear the code only after recording evidence, then confirm it does not return.

Vehicle fitment

Vehicle applicability

Nissan Ariya

Before clearing

Can the code be cleared?

Clearing a code without fixing the cause removes useful evidence and may only switch the warning off temporarily. Save the full scan first; a permanent or repeatedly returning code needs testing.

A DTC is evidence, not a parts order.

Confirm the suffix, reporting module, model, year, engine and live data before replacing a component.

Verified public evidence

Manufacturer and model coverage

4 public manufacturer records match this search. These records support applicability research but do not replace VIN-specific workshop information.

U19BD-87Nissan Ariya
ARIYA · 2023 · Multiple/unspecified

…, C1F90-97 ADAS control unit 2 circuit C1F05-49 Front camera unit C1F05-97 Front camera unit C1F05-04 Front camera unit U19BC-87 CAN comm err (Side radar rear LH) U19BD-87 CAN comm…

Source
U19BD-87Nissan Ariya
ARIYA · 2023 · Multiple/unspecified

…GN ON), C1F90-97 ADAS control unit 2 circuit C1F05-49 Front camera unit C1F05-97 Front camera unit C1F05-04 Front camera unit U19BC-87 CAN comm err (Side radar rear LH) U19BD-87 CAN…

Source
U19BD-87Nissan Ariya
ARIYA · 2024 · Multiple/unspecified

…GN ON), C1F90-97 ADAS control unit 2 circuit C1F05-49 Front camera unit C1F05-97 Front camera unit C1F05-04 Front camera unit U19BC-87 CAN comm err (Side radar rear LH) U19BD-87 CAN…

Source
U19BD-87Nissan Ariya
ARIYA · 2025 · Multiple/unspecified

…GN ON), C1F90-97 ADAS control unit 2 circuit C1F05-49 Front camera unit C1F05-97 Front camera unit C1F05-04 Front camera unit U19BC-87 CAN comm err (Side radar rear LH) U19BD-87 CAN…

Source