DTC P0037 Or DTC P0038: Notes
WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
Code Definition
- DTC P0037: Rear HO2S Heater Circuit Low Input
- DTC P0038: Rear HO2S Heater Circuit High Input
NOTE:
Before performing diagnostic procedure, follow testing procedure. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM.