Nissan car fault codes and warning indicators, with meanings, causes, and step-by-step fixes.
21 models · 2 error codes
On Nissan vehicles, P1148 means the closed-loop fuel control on bank 1 is not working — the ECM can't use the O2/A-F sensor feedback to trim the mixture.
On Nissan vehicles, P1320 means a fault in the primary ignition signal circuit — the ECM isn't seeing a correct ignition (coil/power transistor) signal.
These codes apply across Nissan models, including:
