OBD Guide
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U031D

Software Incompatibility With Parking Assist Control Module A

U031D is an OBD-II diagnostic trouble code meaning: Software Incompatibility With Parking Assist Control Module A. Common causes: incompatible software versions between modules, incorrect software update. Estimated repair cost: ~$56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
~$56 (est.)

Symptoms

  • Disabling the parking assist system
  • Error message on the dashboard
  • Unstable parking sensor operation
  • No sound signals when parking

Causes

  • Incompatible software versions between modules
  • Incorrect software update
  • Replacing a module with an incompatible version
  • Problems with the communication bus between modules
  • Communication failure

How to Fix

  1. Check software versions in both modules
  2. Update software to compatible versions
  3. Check the integrity of the wiring harness between the modules
  4. Reset errors and calibrate the system
  5. Contact your dealer to flash the modules

Related codes

U031EU031FU0320

Error U031D by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the U031D code mean?

U031D is an OBD-II diagnostic trouble code that indicates: Software Incompatibility With Parking Assist Control Module A

What causes a U031D error code?

The most common causes of U031D include: Incompatible software versions between modules; Incorrect software update; Replacing a module with an incompatible version; Problems with the communication bus between modules.

How do I fix a U031D diagnostic trouble code?

To fix U031D: Check software versions in both modules. Update software to compatible versions. Check the integrity of the wiring harness between the modules. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U031D?

Yes, but get it checked soon

How much does it cost to fix U031D?

The estimated repair cost for U031D is ~$56. Actual cost depends on your vehicle, location, and labor rates.

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