Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P011B:00Engine coolant temperature/IAT: Correlation error
P011BEngine Coolant Temperature / Intake Air Temperature Correlation - when no part malfunction is present
P011BENGINE COOLANT TEMPERATURE / INTAKE AIR TEMPERATURE CORRELATION – WHEN NO PART MALFUNCTION IS PRESENT
Manufacturer communications
8Original wording in English
HYUNDAI
This bulletin contains the software update procedure for the Engine Control Unit (ECU) on certain 2021-2023MY Elantra (CN7) and 2022-2023MY Kona (OS) vehicles equipped with the 1.6 liter T-GDI Gamma 2 engine, that may exhibit a warning lamp with one or more of the DTCs listed below: • P250F - Engine Oil Level Too Low • P011B, P0…
MAZDA
Some vehicles may exhibit the CHECK ENGINE light on with DTC P011B:00 (Engine coolant temperature/IAT: Correlation error) when using an engine block heater which is set up by MCI as local accessory parts. Due to variation of block heater performance and environmental conditions against the SKYACTIV-G 2.5T engine, the PCM has dif…
LAND ROVER
"SITUATION: THE ENGINE MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED WITH THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTC) STORED IN THE POWERTRAIN CONTROL MODULE (PCM) AND NO HARDWARE FAULT: • P011621: ENGINE COOLANT TEMPERATURE SENSOR 1 CIRCUIT RANGE/PERFORMANCE (FAULT ON START UP AFTER USING BLOCK HEATER) • P011B22: ENGINE …
TOYOTA
TSB: Some 2015 model year Tacoma and 4Runner vehicles equipped with a 1GR-FE engine may exhibit a MIL "ON" condition with Diagnostic Trouble Code (DTC) P011B - Engine Coolant Temperature / Intake Air Temperature Correlation - when no part malfunction is present. The Engine Control Module/ECM (SAE term: Powertrain Control Module/…
Check vehicle applicability
15A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.