BENTLEY
Reported code forms P218100
Engine cooling system over cooling - One or a combination of DTC's may be evident P218100 - P1BB400.
HomeP2181 · Manufacturer communications
P2181 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
HYUNDAI
Reported code forms P218100
Some Elantra (CN7) vehicles equipped with the 2.0L AKS NU PE engine may exhibit an illuminated Check Engine light for diagnostic trouble code (DTC) P218100 or P013300 which are related to the Integrated Thermal…
HYUNDAI
Reported code forms P218100 P2181F0 P2181F1
Some Santa Fe (TMA) vehicles may have DTCs P218100, P2181F0, and/or P2181F1 (Cooling System Performance) set in the Electronic Control Unit (ECU), resulting in an illuminated Check Engine warning lamp. Follow the…
HYUNDAI
Reported code forms P218100 P2181F0 P2181F1
Some Tucson (NX4, NX4A) vehicles may have DTC P218100, P2181F0, and/or P2181F1 (Cooling System Performance) set in the Electronic Control Unit (ECU), resulting in an illuminated Check Engine warning lamp. This TSB…
HYUNDAI
Reported code forms P218100 P2181F0 P2181F1
Some Sonata (DN8, DN8A) vehicles may have DTCs P218100, P2181F0, and/or P2181F1 (Cooling System Performance) set in the Engine Control Module, resulting in an illuminated Check Engine warning lamp. Follow the procedure…
HYUNDAI
Reported code forms P218100
Some Elantra (CN7, CN7A), Kona (OS, SX2), and Sonata Hybrid (DN8 HEV) vehicles equipped with 2.0L engines may illuminate a warning lamp for DTC P218100 (Cooling System Performance) related to the Integrated…
KIA
Reported code forms P218100 P2181F0 P2181F1
TECHNICAL SERVICE BULLETIN: ITM REPLACEMENT AND ECM & TCM LOGIC IMPROVEMENT (CA2508) - This bulletin provides information to replace the Integrated Thermal Management Module (ITM) and then upgrade the Engine Control…
KIA
Reported code forms P218100 P2181F0 P2181F1
TECHNICAL SERVICE BULLETIN: ITM REPLACEMENT AND ECM LOGIC IMPROVEMENT (CA2511) - This bulletin provides information to replace the Integrated Thermal Management Module (ITM) and then upgrade the Engine Control Module…
BENTLEY
Reported code forms P218100
Engine Overheating - Coolant Pump Leaking and Low Coolant Warning | W12. One or a combination of the following is evident: • Coolant leaking from the mechanical coolant pump • Coolant witness marks on the mechanical…
KIA
Reported code forms P218100 P2181F0 P2181F1
TECHNICAL SERVICE BULLETIN: ITM REPLACEMENT AND ECM LOGIC IMPROVEMENT (CA2509) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in…
KIA
Reported code forms P218100 P2181F0 P2181F1
TECHNICAL SERVICE BULLETIN: ITM REPLACEMENT AND ECM LOGIC IMPROVEMENT (CA2509) - This bulletin provides information to replace the Integrated Thermal Management Module (ITM) and then upgrade the Engine Control Module…
KIA
Reported code forms P218100
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: ECM JUDGEMENT LOGIC IMPROVEMENT FOR DTC P218100 (SA621) - This bulletin provides information to upgrade the Engine Control Module (ECM) system software on certain 2025MY K4…
HYUNDAI
Reported code forms P218100
Certain 2022-2023MY Santa Cruz (NXT) vehicles may exhibit a warning lamp illumination for a diagnostic trouble code P218100 that is related to the Integrated Thermal Management Module (ITM). Follow the service procedure…
BENTLEY
Reported code forms P218100
Engine Overheating - Coolant Pump Leaking and Low Coolant Warning | W12. One or a combination of the following is evident: • Coolant leaking from the mechanical coolant pump • Coolant witness marks on the mechanical…
BENTLEY
Reported code forms P218100
Engine cooling system over cooling - One or a combination of DTC's may be evident P218100 - P1BB400.
MERCEDES-BENZ
Reported code forms P21814B
Complaint Red cooling system malfunction warning due to overheat. Low engine performance. Check engine light on. Fault codes may be stored: P21814B The cooling system has a malfunction. There is a fault due to…
AUDI
Reported code forms P218100
This bulletin provides information when the red coolant warning lamp is on, DTCs P218100, P017B00, P017C00, and/or P017E00 are stored in the ECM.
AUDI
Reported code forms P218100
This bulletin provides information when the MIL is on, or the red coolant lamp lights up; DTC P218100 and/or P1BB400.
AUDI
Reported code forms P218100
This bulletin provides information when the red coolant warning lamp comes on OR MIL on, DTC P218100 and/or P1BB400.
BENTLEY
Reported code forms P218100
Engine cooling system over cooling - One or a combination of DTC's may be evident P218100 - P1BB400. Customer statement / workshop findings: • DTC P218100 - Cooling System Performance and / or DTC P1BB400 Cylinder head…
AUDI
Reported code forms P218100
This bulletin provides information when the red coolant warning lamp comes on or MIL on, and DTC P218100 and/or P1BB400.
AUDI
Reported code forms P218100
This bulletin provides information when the red coolant warning lamp comes on or MIL on, and DTC P218100 and/or P1BB400.
BENTLEY
Reported code forms P218100
Engine Cooling System over cooling - DTC P218100 - V8 Kovomo. Technical background It is possible for the engine coolant Thermostat to corrode over time, this corrosion is due to an adverse reaction of the Thermostat…
HYUNDAI
Reported code forms P2181
Certain 20-22MY Sonata (DN8a), 21-23MY Santa Fe (TMa), and 22-23MY Tucson (NX4a) vehicles may experience a warning lamp illumination for a diagnostic trouble code P2181 that is related to the Integrated Thermal…
AUDI
Reported code forms P218100
This bulletin provides information when the DTC P218100 malfunction in cooling system is logged.
BENTLEY
Reported code forms P218100
Coolant pump leaking (part number 07P 121 008C) - Low coolant warning - Engine overheating - DTC's evident. Customer statement / workshop findings: One or a combination of the following is evident: • Coolant leaking…
BENTLEY
Reported code forms P218100
Coolant pump leaking (part number 07P 121 008B) - Low coolant warning - Engine overheating - DTC's evident. Customer statement / workshop findings: One or a combination of the following is evident: • Coolant leaking…
BENTLEY
Reported code forms P218100
Coolant warning lamp within the DIP - One or a combination of DTC's is evident P218100 - P017B00 - P017C00 - P017E00. Customer statement: Customer reports a red engine coolant overheat warning within the DIP Workshop…
HYUNDAI
Reported code forms P2181
Certain 2022-2023MY Santa Cruz (NXT) vehicles may experience a warning lamp illumination for a diagnostic trouble code P2181 that is related to the Integrated Thermal Management Module (ITM). Follow the service…
AUDI
Reported code forms P218100
This bulletin provides information for when the red coolant warning light or the MIL is illuminated, DTC P218100 and/or P1BB400.