Back to 2021 Audi A4

2021 AUDI A4

2.0L I4 TFSIAWDAUTOMATICgasturbo
4 active safety recalls on this vehicle — view recalls
Repairs0Labor511Torque6143Fluid9DTC924Battery0Maintenance0Recalls4
P0262moderate severityPowertrain

Cylinder 1 Injector Circuit High

on 2021 Audi A4 2.0L I4 TFSI · AWD

What this code means

High voltage in the cylinder 1 injector driver circuit.

Symptoms

  • Check Engine Light
  • Misfire cylinder 1

Common causes

  • Open injector ground
  • Short to power
  • Faulty PCM driver

Diagnostic steps

  1. Test circuit voltage
  2. Check for opens
  3. Test injector

Repair notes

Repair wiring or replace injector.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 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 →