# P0012 — Intake Camshaft Position - Timing Over-Retarded (Bank 1)

> ClearTheCode diagnostic code reference (not OEM service data).

Source: https://clearthecode.com/codes/P0012

**System:** Powertrain · Variable Valve Timing

**Severity:** moderate

## Description

The intake camshaft on Bank 1 is retarded beyond the expected range. Typically caused by low oil pressure, a stuck VVT actuator, or a failed oil control valve. Check oil level and condition first.

## Diagnostic snapshot

- **Difficulty:** 6/10 — Intermediate diagnostics
- **Est. repair cost:** $120 – $450

## Diagnostic workflow

1. Confirm P0012 with a live scan — note pending vs stored and freeze frame data.
2. Inspect wiring/connectors and related sensors before replacing modules.
3. Clear codes and road-test; re-scan after two drive cycles if the monitor must set.

## Related articles

- [P0012 2027 Acura Rdx: Intake Camshaft Position - Timing Over-Retarded](https://clearthecode.com/articles/p0012-acura-rdx-2027-diagnostic-guide)