P1627: Module Supply Voltage Out Of Range

What does P1627 mean?

P1627 is a diagnostic trouble code indicating "Module Supply Voltage Out Of Range". This code relates to your vehicle's electrical/charging and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Symptoms you may notice

• Check engine light (MIL) illuminated on dashboard
• Possible issues with electrical/charging operation
• Vehicle may enter reduced power mode (limp mode)

Common causes

• Faulty electrical/charging component
• Wiring or connector issue in the related circuit
• Failed sensor providing incorrect readings
• Software/calibration issue requiring ECU update
• Related component causing secondary fault

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.