P3011–P3027 – Weak Battery Blocks (Toyota Prius 2007–2015)

P3011–P3027 – Weak Battery Blocks (Toyota Prius 2007–2015)

SYMPTOMS:

  • Reduced MPG / fuel efficiency
  • Poor hybrid battery performance, erratic charge behaviour

POSSIBLE CAUSES:

  • HV battery assembly beginning to fail
  • One or more battery blocks weakening (P3011 = Block 1, P3012 = Block 2, etc.)