P1694High SeverityElectrical

Nissan: ECM/TCM control Code 94

What This Means

This Nissan manufacturer-specific code indicates an issue with the ECM/TCM control system. Code P1694 is specific to Nissan vehicles and requires manufacturer diagnostic procedures.

Common Symptoms

Check engine light on
Multiple system issues
Warning light activation
Driveability or emissions change

Common Causes

Nissan-specific ECM/TCM control component
Module failure
Wiring harness damage
Software/calibration issue
Connector corrosion

Estimated Repair Cost

$200 – $1500

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.