Ignition System

2009 Audi A6 BaseSECTION Ignition System
WARNING: This page is about a different car, the 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
DTC Error Message Diagnostic Procedure Monitor Strategy Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2300 Ignition Coil A Primary Control Circuit Low Short to Ground (GND). Signal voltage 0.5-1.0 V Engine speed 5000 RPM 0.5 Sec.
  • Continuous
  • 2 DCY
P2301 Ignition Coil A Primary Control Circuit High Short to Battery (+). Signal voltage >5.2-6.0 V Engine speed 5000 RPM 0.5 Sec.
  • Continuous
  • 2 DCY
P2303 Ignition Coil B Primary Control Circuit Low Short to Ground (GND). Signal voltage 0.5-1.0 V Engine speed 5000 RPM 0.5 Sec.
  • Continuous
  • 2 DCY
P2304 Ignition Coil B Primary Control Circuit High Short to Battery (+). Signal voltage >5.2-6.0 V Engine speed 5000 RPM 0.5 Sec.
  • Continuous
  • 2 DCY
P2306 Ignition Coil C Primary Control Circuit Low Short to Ground (GND). Signal voltage 0.5-1.0 V Engine speed 5000 RPM 0.5 Sec.
  • Continuous
  • 2 DCY
P2307 Ignition Coil C Primary Control Circuit High Short to Battery (+). Signal voltage >5.2-6.0 V Engine speed 5000 RPM 0.5 Sec.
  • Continuous
  • 2 DCY
P2309 Ignition Coil D Primary Control Circuit Low Short to Ground (GND). Signal voltage 0.5-1.0 V Engine speed 5000 RPM 0.5 Sec.
  • Continuous
  • 2 DCY
P2310 Ignition Coil D Primary Control Circuit High Short to Battery (+). Signal voltage >5.2-6.0 V Engine speed 5000 RPM 0.5 Sec.
  • Continuous
  • 2 DCY
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.