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2021 TOYOTA C-HR
2.0L I4•FWD•CVT•gas•M20A-FKS
1 active safety recall on this vehicle — view recalls
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Repairs0Labor476Torque3059Fluid7DTC1942Battery1Maintenance0Recalls1
U0308moderate severityNetwork

Software Incompatibility With Body Control Module

on 2021 Toyota C-HR 2.0L I4 · FWD

What this code means

The body control module software does not match the rest of the network. This can affect many electrical accessories and features.

Symptoms

  • Multiple accessory malfunctions
  • Warning lights on dash
  • Erratic electrical behavior

Common causes

  • Mismatched BCM software version
  • Module replaced without programming
  • Incomplete software update
  • Failed body control module

Diagnostic steps

  1. Check software versions of all modules
  2. Compare to factory calibration
  3. Reprogram BCM with correct software
  4. Clear codes and verify operation
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Other Network codes on this vehicle

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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