Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 2)
The P2023 code means the vehicle's onboard diagnostic system has detected: Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 2). This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- moderate
- Estimated cost
- $100 - $350 (parts and labor)
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Common Symptoms
- Check Engine Light illuminated
- Engine performance reduction
- Unstable idle
- Acceleration hesitation
- Slight fuel economy decrease
Probable Causes (Ranked by Likelihood)
- Short to power in Bank 2 runner sensor circuit Very High
- Defective runner position sensor High
- Open ground wire Moderate
- Corroded connector terminals Moderate
- PCM driver circuit issue Low
Step-by-Step Diagnostic Procedure
-
Confirm P2023 with freeze frame data
-
Test Bank 2 runner position sensor reference voltage and signal
-
Check wiring for shorts to voltage
-
Inspect connector for corrosion or loose pins
Frequently Asked Questions
What does P2023 mean?
P2023 means the Bank 2 intake manifold runner position sensor is reading above the expected voltage range, typically caused by a wiring short to voltage or open ground.
Can I drive with a P2023 code?
Short-distance driving is safe. Performance will be mildly affected as the PCM cannot accurately control runner position.
How much does it cost to fix P2023?
Typical costs are $100 to $350 for sensor replacement or wiring repair.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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