P0206

High Severity

Injector Circuit Malfunction - Cylinder 6

Fuel System

What Does P0206 Mean?

Cylinder 6 injector circuit fault. Only on 6+ cylinder engines.

Common Fix

Replace cylinder 6 injector

Estimated Cost (DIY)

$40 - $150

Symptoms

  • ⚠️Cylinder 6 misfire
  • ⚠️Rough running
  • ⚠️Power loss

Common Causes

Faulty injectorlikely
Wiring issuepossible

How to Diagnose P0206

  1. 1Check connector
  2. 2Test resistance
  3. 3Swap injectors
  4. 4Replace if bad

OEM Diagnostic Flowchart

Scroll to load technician if/then branches.

Read live data and freeze frame for P0206 to pinpoint the cause before buying parts.

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Related Resources

Repair guides, symptom pages, and wiring diagrams related to P0206.

OEM Manual Evidence

Browse →
2013 GMC Truck Yukon XL Denali AWD V8-6.2L A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL Denali AWD V8-6.2L Service Manual | Operation CHARM Operation CHARM : Car...

2013 GMC Truck Yukon XL Denali 2WD V8-6.2L A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL Denali 2WD V8-6.2L Service Manual | Operation CHARM Operation CHARM : Car...

2013 GMC Truck Yukon XL 4WD V8-6.0L A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL 4WD V8-6.0L Service Manual | Operation CHARM Operation CHARM : Car repair...

2013 GMC Truck Yukon XL 4WD V8-5.3L A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL 4WD V8-5.3L Service Manual | Operation CHARM Operation CHARM : Car repair...

Exact Vehicle Hubs

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2013 Gmc Truck Yukon Xl 4wd V8 5.3l Repair HubManual

Open the exact vehicle hub grounded by OEM manual evidence related to P0206.

2013 Gmc Truck Yukon Xl 4wd V8 6.0l Repair HubManual

Open the exact vehicle hub grounded by OEM manual evidence related to P0206.

2013 Gmc Truck Yukon Xl Denali 2wd V8 6.2l Repair HubManual

Open the exact vehicle hub grounded by OEM manual evidence related to P0206.

2013 Gmc Truck Yukon Xl Denali Awd V8 6.2l Repair HubManual

Open the exact vehicle hub grounded by OEM manual evidence related to P0206.

Related Codes

P0200: Injector Circuit MalfunctionRelated

General fuel injector circuit fault. The ECM detected an issue with the injector driver circuit.

P0306: Cylinder 6 Misfire DetectedRelated

Cylinder 6 is misfiring. Only on 6+ cylinder engines.

P0205: Injector Circuit Malfunction - Cylinder 5Related

Cylinder 5 injector circuit fault. Only applies to 5+ cylinder engines.

Frequently Asked Questions

Where is cylinder 6 on a V6?
On most V6 engines, cylinder 6 is at the back of bank 2. Check your engine firing order diagram.
Can wiring harness damage cause injector codes?
Yes — heat from the engine can damage injector wiring over time, especially near the exhaust manifold.

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