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.
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P2237-00O2 Sensor 1/1 Pump Cell Current Circuit OpenP2237-00O2 Sensor 1/1 Pump Cell Current Circuit OpenP2237-00O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1P2237-00O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1View all · Manufacturer wording →
Manufacturer communications
16Original wording in English
JEEP
Reported code forms P2237-00
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes…
JEEP
Reported code forms P2237-00
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes…
RAM
Reported code forms P2237-00
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes…
RAM
Reported code forms P2237-00
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes…
HYUNDAI
Reported code forms P223700
Some Kona (SX2) vehicles equipped with the 1.6L T‐GDI engine may exhibit false “engine left idling” notifications in the MyHyundai app, even when the engine is not running, due to a logic error associated with the front…
SMART
Reported code forms P2237
Engine diagnosis warning lamp (CEL) is active due to fault codes - P2237 & P2626.
Check vehicle applicability
30A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Hyundai | KONA | 2025 |
| Hyundai | KONA | 2024 |
| Jeep | GRAND CHEROKEE | 2015 |
| Jeep | GRAND CHEROKEE | 2014 |
| Jeep | GRAND WAGONEER | 2025 |
| Jeep | WAGONEER | 2025 |
| Land Rover | DISCOVERY SPORT | 2016 |
| Land Rover | LR4 | 2016 |
| Land Rover | RANGE ROVER | 2016 |
| Land Rover | RANGE ROVER EVOQUE | 2016 |
| Land Rover | RANGE ROVER SPORT | 2016 |
| Ram | 1500 | 2025 |
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.
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.