Code result

P2090

Camshaft Position B Actuator Control Circuit Low

Moderate severity

What it means

Drive voltage to the exhaust VVT oil control valve on bank 1 is below the lower limit. Same failure pattern as P2088 but for the exhaust cam phaser.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Drive line shorted to ground

    high

    One of the most commonly reported causes for this code — check this first.

  • Exhaust VVT solenoid internally shorted

    medium

    A plausible cause — test and verify before replacing parts.

  • Connector pins corroded - high contact resistance

    low

    Less common, but worth ruling out after the more likely causes.

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