Source-backed diagnostic reference

P1148 EV diagnostic code

Closed Loop Control Bank 1

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

NISSAN: Closed Loop Control Bank 1 Source
VOLKSWAGEN: Oxygen Sensor Control Bank 2 System Too Rich Source
GENERIC: Closed Loop Control Function Bank 1 Source

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