What Does P1214 Mean?
P1214 indicates a short-to-positive (B+) condition in the fuel injector circuit for cylinder 2. The ECM has detected unwanted high voltage on the injector control line, which may cause the injector to stay open or fire erratically. This condition can lead to cylinder 2 running excessively rich, hydro-locking risk, and potential catalytic converter damage from fuel flooding.
Safety Warning
A stuck-open or continuously firing injector can flood the cylinder with fuel, causing hydro-lock which can bend connecting rods and destroy the engine. Excess fuel in the exhaust will rapidly overheat the catalytic converter, creating a fire risk.
Common Causes
30%
Wiring harness short to a nearby power wire feeding voltage into the injector circuit
25%
Internally shorted fuel injector allowing current flow through the power rail
20%
Corroded connector with cross-contact between power and signal pins
15%
Aftermarket wiring modification creating an unintended power feed
10%
ECM injector driver circuit stuck high or latched on
Diagnostic Steps
1
Review freeze frame data and check for companion codes related to cylinder 2 misfire or rich condition.
2
Disconnect the cylinder 2 injector connector and measure voltage on the control wire with key-on engine-off. No voltage should be present when the injector is not commanded.
3
Inspect the cylinder 2 injector harness routing for areas where it contacts power wires, ignition coil feeds, or other energized circuits.
4
Measure the cylinder 2 injector resistance and check for internal shorts between the coil terminals and the injector body or power terminal.
5
With the injector disconnected, check the ECM side of the harness to determine if the B+ voltage originates from the wiring or the ECM driver output.
6
Repair any wiring short found, replace the injector if internally shorted, clear codes, and verify repair with a test drive.
Estimated Repair Cost
$175 - $650
Parts + labor, varies by vehicle and location
P1214 indicates a short-to-positive (B+) condition in the fuel injector circuit for cylinder 2. The ECM has detected unwanted high voltage on the injector control line, which may cause the injector to stay open or fire erratically. This condition can lead to cylinder 2 running excessively rich, hydr...
The most common cause of P1214 (Injector Circuit Cylinder 2 Short To Positive) is: Wiring harness short to a nearby power wire feeding voltage into the injector circuit
Typical repair costs for P1214 range from $175 to $650, depending on the vehicle, location, and whether you do it yourself or go to a shop.
A stuck-open or continuously firing injector can flood the cylinder with fuel, causing hydro-lock which can bend connecting rods and destroy the engine. Excess fuel in the exhaust will rapidly overheat the catalytic converter, creating a fire risk.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to P1214 to identify the root cause.
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Quick Info
Category
Powertrain
System
Fuel Injection System
Difficulty
Type
Manufacturer
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