P2690Medium SeverityEngine

Coolant pump/oil pump control System Code 90

What This Means

This enhanced OBD-II code indicates the coolant pump/oil pump control system has detected an abnormal condition. This code monitors auxiliary engine system components.

Common Symptoms

Check engine light on
Auxiliary system issue
Performance variation
Warning light activation

Common Causes

Component failure
Hydraulic issue
Wiring damage
Fluid condition
Module communication error

Estimated Repair Cost

$100 – $800

Parts and labor (varies by vehicle and location)

Difficulty:Advanced

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.