P1605 — Mazda — Powertrain Control Module Keep Alive Memory Test Error

P1605 (Mazda): Powertrain Control Module Keep Alive Memory Test Error — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Powertrain Control Module Keep Alive Memory Test Error. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain