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Service bulletins for the 2020 Bentley Bentayga

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

753 on file from NHTSA, as of 2026-10-19.

About P2181 on the 2020 Bentley Bentayga: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: P2181 are shown. Show all

Bulletins, newest first
2075140/32026-06-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine cooling system over cooling - One or a combination of DTC's may be evident P218100 - P1BB400.
2071239/42025-12-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 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 coolant pump although coolant is not leaking/dripping from the pump • Low coolant level warning displayed within the DIP Or • Engine overheating issues and/or DTC P218100: Cooling System Performance with symptom code 8113 or air in the coolant DTC’s (various) is evident, in this scenario the operative should also refer to TPI 2051893/-
2071239/32025-07-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 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 coolant pump although coolant is not leaking/dripping from the pump • Low coolant level warning displayed within the DIP Or • Engine overheating issues and/or DTC P218100: Cooling System Performance with symptom code 8113 or air in the coolant DTC’s (various) is evident, in this scenario the operative should also refer to TPI 2051893/-
2075140/22025-03-27. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Engine cooling system over cooling - One or a combination of DTC's may be evident P218100 - P1BB400.
2075140/12024-10-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM. 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 temperature too low is stored in the Engine Control Module (ECM). • Emission Control Lamp illuminated on the Driver Instrument Panel.
2060205/72024-09-10. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 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 material with the engine coolant. The corrosion and subsequent build-up of debris prevents the correct operation of the thermostat when closing, resulting in over cooling. The ECM triggers a DTC when the target engine temperature is outside of the specified parameter.
2071239/22024-06-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM. 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 from the mechanical coolant pump • Coolant witness marks on the mechanical coolant pump although coolant is not leaking/dripping from the pump • Low coolant level warning displayed within the DIP Or • Engine overheating issues and/or DTC P218100: Cooling System Performance with symptom code 8113 or air in the coolant DTC’s (various) is evident, in this scenario the operative should also refer to TPI 2051893
2071238/22024-06-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. 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 from the mechanical coolant pump • Coolant witness marks on the mechanical coolant pump although coolant is not leaking/dripping from the pump • Low coolant level warning displayed within the DIP Or • Engine overheating issues and/or DTC P218100: Cooling System Performance with symptom code 8113 or air in the coolant DTC’s (various) is evident in this scenario the operative should refer to TPI 2051893/-
2070041/22024-01-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. 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 findings. One or a combination of the following DTCs are evident within the engine control unit: - P218100 - Malfunction in cooling system - P017B00 - Cylinder head temperature sensor implausible signal - P017C00 - Cylinder head temperature sensor short circuit to ground - P017E00 - Cylinder head temperature sensor open circuit/loose contact.
2051893/52023-09-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Overheat condition-DTC logged for air in the system or DTC P218100-Cooling System Performance with symptom code 8113. Customer statement / workshop findings One or a combination of the following symptoms are evident: - Engine coolant overheat condition - Coolant loss - Diagnostic trouble codes (DTCs) logged within the Engine control module/s relating to Air in the coolant system - Engine overheating issues and/or DTC P218100: Cooling System Performance symptom code 8113 is evident - Warning light within the Drivers Information Panel (DIP). Measure 1) Fully drain the cooling system - Refer to Elsa Pro Rep.Gr 19 Cooling system - To drain and fill 2) Replace the Thermostat housing (includes thermostat) - Refer to Elsa Pro Rep.Gr 19 Cooling system - Thermostat - To replace
2071239/12023-09-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. 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 from the mechanical coolant pump - Coolant witness marks on the mechanical coolant pump although coolant is not leaking/dripping from the pump - Low coolant level warning displayed within the DIP Or - Engine overheating issues and/or DTC P218100: Cooling System Performance with symptom code 8113 or air in the coolant DTCs (various) is evident, in this scenario the operative should also refer to TPI 2051893
2071238/12023-09-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Coolant pump leaking (part number 07P 121 008B) - Low coolant warning - Engine overheating - DTCs evident. Customer statement / workshop findings: One or a combination of the following is evident: - Coolant leaking from the mechanical coolant pump - Coolant witness marks on the mechanical coolant pump although coolant is not leaking/dripping from the pump - Low coolant level warning displayed within the DIP Or - Engine overheating issues and/or DTC P218100: Cooling System Performance with symptom code 8113 or air in the coolant DTCs (various) is evident in this scenario the operative should refer to TPI 2051893.
2065919.82023-07-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Coolant leaking from the mechanical coolant pump - Low coolant level warning - Engine overheating - DTC's evident Customer Statement: -Coolant leaking from the mechanical coolant pump -Coolant witness marks on the mechanical coolant pump although coolant is not leaking/dripping from the pump -Low coolant level warning displayed within the DIP -Engine overheating issues and/or DTC P218100: Cooling System Performance with symptom code 8113
2060205.62023-05-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine Colling System Over Cooling - DTC P218100 - V8 Kovomo Customer Statement: -Emission Control lamp illuminated on the Driver Instrument Panel -The time to reach the correct engine coolant operating temperature has increased
2060205.52023-05-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Engine Colling System Over Cooling - DTC P218100 - V8 Kovomo Customer Statement: -Emission Control Lamp illuminated on the Driver Instrument Panel -The time to reach the correct engine coolant operating temperature has increased
2070041.12023-05-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Coolant Warning Lamp within the DIP - One or a combination of DTCs is evident P218100 - P017B00 - P017C00 - P017E00 Customer Statement: -Customer reports a red engine coolant overheat warning within the DIP
2065919.62023-02-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Coolant leaking from the mechanical coolant pump - Low coolant level warning - Engine overheating - DTC(s) evident Customer Statement: -Coolant leaking from the mechanical coolant pump -Coolant witness marks on the mechanical coolant pump although coolant is not leaking/dripping from the pump -Low coolant level warning displayed within the DIP -Engine overheating issues and/or DTC P218100: Cooling system performance with symptom code 8113
2051893.42023-01-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Overheat Condition - DTC logged for air in the system or DTC P218100 - Cooling System Performance with Symptom code 8113 Customer Statement: -Engine coolant overheat condition
2065919.52023-01-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Coolant Leaking from the Mechanical Coolant Pump - Low Coolant Level Warning - Engine Overheating - DTC's Evident Customer Statement: -Coolant leaking from the mechanical coolant pump -Coolant witness marks on the mechanical coolant pump although coolant is not leaking/dripping from the pump -Low coolant level warning displayed within the DIP -Engine Overheating issues and/or DTC P218100: Cooling System Performance with Symptom Code 8113
2060205.42023-01-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Engine Cooling System Over Cooling - DTC P218100 - V8 Kovomo Customer Statement: -Emission control lamp illuminated on the Driver Instrument Panel (DIP) -The time to reach the correct engine coolant operating temperature has increased
2060205/32021-10-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Engine Cooling System - DTC P218100 - V8 Kovomo Customer statement / workshop findings: Emission Control Lamp illuminated on Driver Instrument Panel. The time to reach the correct engine coolant operating temperature has increased. Diagnostic Trouble Code(DTC) P218100 -Cooling System Performance is stored in the Engine Control Module (ECM), the vehicle warm up time is longer when compared to other vehicles of the same type. Technical background: It is possible for the engine coolant Thermostat to corrode overtime, this corrosion is due to an adverse reaction of the Thermostat material with the engine coolant. The corrosion and subsequent build-up of debris prevents the correct operation of the thermostat when closing, resulting in over cooling. The ECM triggers a DTC when the target engine temperature is outside of the specified parameter.
2060205/22020-11-03. Service bulletin. ENGINE AND ENGINE COOLING. Engine Cooling System - 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 material with the engine coolant. The corrosion and subsequent build-up of debris prevents the correct operation of the thermostat when closing, resulting in over cooling. The ECM triggers a DTC when the target engine temperature is outside of the specified parameter
2060205/12020-08-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Bentayga - Engine Cooling System - DTC P218100. Customer statement / workshop findings: Emission Control Lamp illuminated on Driver Instrument Panel. The time to reach the correct engine coolant operating temperature has increased. Diagnostic Trouble Code (DTC) P218100 - Cooling System Performance is stored in the Engine Control Module (ECM), the vehicle warm up time is longer when compared to other vehicles of the same type. 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 material with the engine coolant. The corrosion and subsequent build-up of debris prevents the correct operation of the thermostat when closing, resulting in over cooling. The ECM triggers a DTC when the target engine temperature is outside of the specified parameter.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.