DTC U3006-16: Ignition Power Supply (Electric Power Steering (EPS)): Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC U3006:16 (ELECTRIC POWER STEERING (EPS)) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Ignition power supply
Detection condition	Voltage of 8 V or less detected by EPS control module ignition voltage observation.
Fail-safe	Refer to "Fail-safe Function Table". (See DTC TABLE (ELECTRIC POWER STEERING (EPS) (US)) .)
Possible cause	Open circuit in EPS control module power supply circuit Open circuit in EPS control module ground circuit IG1 relay No. 2 malfunction
Courtesy of MAZDA MOTORS CORP.