Injector Control Pressure Sensor Circuit High
The P2286 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the injector control pressure (ICP) sensor that is higher than the expected range. This sensor monitors the high-pressure oil system in diesel engines, which is critical for fuel injection. A high voltage reading suggests a short to power, a faulty sensor, or a wiring issue. This can lead to incorrect fuel delivery, causing performance problems.
01. Most Common Causes
- Faulty injector control pressure sensor
- Short to power in the sensor circuit
- Damaged wiring or connector
- ECM issues (rare)
02. Symptoms You Will Notice
- Check Engine Light on
- Hard starting or no start
- Rough idle or misfire
- Loss of power or poor acceleration
03. Step-by-Step Diagnosis
Step 1: Use a scan tool to retrieve the code and freeze frame data.
Step 2: Inspect the ICP sensor and its wiring for damage, corrosion, or shorts.
Step 3: Test the sensor voltage with a multimeter; compare to manufacturer specs.
Step 4: Check for a short to power by disconnecting the sensor and seeing if voltage drops.
Step 5: Replace the sensor if faulty; repair wiring as needed.
04. Commonly Affected Makes
05. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended. The vehicle may experience hard starting, poor performance, or stalling, which can be dangerous.
How much does it cost to fix?▼
Typically $50-$150 for a new sensor plus labor, but costs can vary depending on the vehicle and shop rates.