P011B
Engine Coolant Temperature/Intake Air Temperature Correlation
P011B is an OBD-II diagnostic trouble code meaning: Engine Coolant Temperature/Intake Air Temperature Correlation. Common causes: coolant temperature (ect) sensor malfunction, intake air temperature (iat) sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Reduced engine power
- Difficulty starting the engine
Causes
- Coolant temperature (ECT) sensor malfunction
- Intake air temperature (IAT) sensor malfunction
- Damage to the sensor wiring harness
- Problems with sensor contacts
- ECU malfunction
- Coolant leak
How to Fix
- Check ECT and IAT sensor readings using a diagnostic scanner
- Inspect the wiring harness and sensor contacts for damage
- Check sensors for compliance with specifications
- Replace faulty sensors or wiring harness
- Check the cooling system for leaks
Related codes
Error P011B by Vehicle Brand
FAQ
What does the P011B code mean?
P011B is an OBD-II diagnostic trouble code that indicates: Engine Coolant Temperature/Intake Air Temperature Correlation
What causes a P011B error code?
The most common causes of P011B include: Coolant temperature (ECT) sensor malfunction; Intake air temperature (IAT) sensor malfunction; Damage to the sensor wiring harness; Problems with sensor contacts.
How do I fix a P011B diagnostic trouble code?
To fix P011B: Check ECT and IAT sensor readings using a diagnostic scanner. Inspect the wiring harness and sensor contacts for damage. Check sensors for compliance with specifications. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P011B?
Limited driving only, diagnose soon
How much does it cost to fix P011B?
The estimated repair cost for P011B is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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