P0202
High SeverityInjector Circuit Malfunction - Cylinder 2
Fuel System
What Does P0202 Mean?
Cylinder 2 injector circuit fault.
Common Fix
Replace cylinder 2 injector
Estimated Cost (DIY)
$40 - $150
Common Causes
How to Diagnose P0202
- 1Check connector
- 2Test resistance
- 3Swap with another injector
- 4Replace if confirmed bad
OEM Diagnostic Flowchart
Scroll to load technician if/then branches.
Read live data and freeze frame for P0202 to pinpoint the cause before buying parts.
Related Resources
Repair guides, symptom pages, and wiring diagrams related to P0202.
OEM Manual Evidence
Browse →A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL Denali AWD V8-6.2L Service Manual | Operation CHARM Operation CHARM : Car...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL Denali 2WD V8-6.2L Service Manual | Operation CHARM Operation CHARM : Car...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL 4WD V8-6.0L Service Manual | Operation CHARM Operation CHARM : Car repair...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL 4WD V8-5.3L Service Manual | Operation CHARM Operation CHARM : Car repair...
Related Symptoms
Browse →Exact Vehicle Hubs
Browse →Open the exact vehicle hub grounded by OEM manual evidence related to P0202.
Open the exact vehicle hub grounded by OEM manual evidence related to P0202.
Open the exact vehicle hub grounded by OEM manual evidence related to P0202.
Open the exact vehicle hub grounded by OEM manual evidence related to P0202.
Related Codes
General fuel injector circuit fault. The ECM detected an issue with the injector driver circuit.
Cylinder 2 is misfiring.
The fuel injector on cylinder 1 has a circuit fault. It may not be firing.
Frequently Asked Questions
- Is the fix the same as P0201?
- Identical diagnosis, just on cylinder 2. Check wiring, test resistance, swap to confirm.
- Can dirty injectors cause this?
- Dirty injectors usually cause lean codes, not circuit faults. P0202 is an electrical issue.