DTC P2237: Linear Ho2S Pumping Current Circuit/Open (Bank 1 Sensor 1): DTC Detecting Condition
- DTC Description, the ECM monitors front HO2S tip temperature and signal at the same time to check open circuit of Pumping Current Circuit (ECM PIN No. 19). The ECM sets DTC P2237 if front O2 tip temperature is higher than the predetermined threshold and front HO2S signal stuck is detected. If the same error code is set in the next driving cycle, the ECM illuminates the MIL.
- Conditions for Setting the DTC
Courtesy of KIA MOTORS AMERICA, INC.