What Does P1267 Mean?
The ECM has detected a high-to-low side short circuit in the cylinder #2 fuel injector driver circuit. This alternate manufacturer code indicates the same electrical fault as P1262 — an unintended connection between the injector's power feed and ground control wires. Cylinder #2 will misfire, causing rough engine operation and reduced power output.
Safety Warning
Persistent misfire on cylinder #2 reduces engine power and causes rough running. Unburned fuel passes into the exhaust and can damage the catalytic converter. Continued driving with a misfiring cylinder stresses the engine and may damage the ECM driver circuit.
Common Causes
35%
Wiring harness damage near cylinder #2 injector with conductors shorted together
30%
Internal coil failure in the cylinder #2 fuel injector
20%
Moisture intrusion or corrosion at the cylinder #2 injector connector
15%
ECM cylinder #2 injector driver transistor failure
Diagnostic Steps
1
Scan for related codes including P0302 (cylinder #2 misfire) and other injector driver codes across all cylinders.
2
Disconnect the cylinder #2 injector connector and inspect for corrosion, melted terminals, or debris bridging the pins.
3
Test the injector coil resistance with a multimeter — compare to manufacturer specification. Check for shorts to the injector body.
4
Verify no continuity exists between the two harness-side wires at the injector connector with the injector disconnected.
5
Swap the cylinder #2 injector with another cylinder's injector, clear codes, and run the engine to isolate the fault to the injector or the wiring/ECM.
Estimated Repair Cost
$100 - $500
Parts + labor, varies by vehicle and location
The ECM has detected a high-to-low side short circuit in the cylinder #2 fuel injector driver circuit. This alternate manufacturer code indicates the same electrical fault as P1262 — an unintended connection between the injector's power feed and ground control wires. Cylinder #2 will misfire, causin...
The most common cause of P1267 (Cylinder #2 High To Low Side Short) is: Wiring harness damage near cylinder #2 injector with conductors shorted together
Typical repair costs for P1267 range from $100 to $500, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Persistent misfire on cylinder #2 reduces engine power and causes rough running. Unburned fuel passes into the exhaust and can damage the catalytic converter. Continued driving with a misfiring cylinder stresses the engine and may damage the ECM driver circuit.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to P1267 to identify the root cause.
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Quick Info
Category
Powertrain
System
Fuel Injection System
Difficulty
Type
Manufacturer
Recommended Tools
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