Free API
P0281moderate severityPowertrain

Cylinder 6 Injector Circuit High

on 2023 Chevrolet Bolt EUV 65 kWh Single Motor FWD · FWD

What this code means

The PCM detected a high voltage condition in the fuel injector control circuit for cylinder 6. This often points to a short to voltage or a driver fault.

Symptoms

  • Engine misfire
  • Hesitation under load
  • Increased emissions

Common causes

  • Short to voltage in injector wiring
  • Faulty fuel injector
  • Damaged connector
  • Failed PCM injector driver

Diagnostic steps

  1. Retrieve stored trouble codes
  2. Inspect injector harness for shorts
  3. Check injector resistance and connector
  4. Verify PCM driver output

Other Powertrain codes on this vehicle

🔧 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.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
🔓 LIBERATED FOREVER
The 2023 Chevrolet Bolt EUV 65 kWh Single Motor FWD repair data is free for every DIYer and shop on earth, permanently, because Simon-Olivier Ricci paid $99 to unlock it.
Mitchell1 charges $169/mo for this. ALLDATAdiy charges $30/yr per vehicle. Open Labor Project is free permanently, because of community sponsors like Simon-Olivier.
Free another vehicle →
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →