Intake Manifold Air Temperature Sensor Circuit High (Bank 2)
The P2081 code means the vehicle's onboard diagnostic system has detected: Intake Manifold Air Temperature Sensor Circuit High (Bank 2). This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $40 - $200 (parts and labor)
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Common Symptoms
- Check Engine Light on
- Bank 2 air temp reads very low
- Slight rich condition on Bank 2
- Minor idle change
- Reduced fuel economy
Probable Causes (Ranked by Likelihood)
- Open circuit in Bank 2 air temp sensor wiring Very High
- Corroded Bank 2 connector High
- Failed Bank 2 sensor with high resistance Moderate
- Short to voltage in circuit Low
Step-by-Step Diagnostic Procedure
-
Check Bank 2 connector for corrosion
-
Measure Bank 2 sensor resistance
-
Inspect wiring for open circuits
-
Replace sensor if out of spec
Frequently Asked Questions
What does P2081 indicate?
P2081 indicates: Intake Manifold Air Temperature Sensor Circuit High (Bank 2). The ECM detected an issue requiring diagnosis.
Is P2081 urgent?
Low priority, but repair to maintain efficiency.
What should I check first?
Start with a visual inspection of the sensor wiring and connector. Then use a scan tool to read live data and compare to expected values. A multimeter can verify sensor resistance and circuit integrity.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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