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Home >> Toyota >> 2019 >> RAV4 XLE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Hybrid Battery System (Lithium-Ion Battery) - Diagnostic Codes (2 Of 3)) >> HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY) >> DTC P1A80-00: Hybrid/EV Battery Stack 1 Delta SOC High; DTC P1A85-00: Hybrid/EV Battery Stack 2 Delta SOC High [06/2020 - ] >> Description

DTC P1A80-00: Hybrid/EV Battery Stack 1 Delta SOC High; DTC P1A85-00: Hybrid/EV Battery Stack 2 Delta SOC High [06/2020 - ]: Description

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The HV battery is composed of 70 cells (3.6 V each) in series. The battery ECU assembly monitors the difference in capacity of each HV battery cell to detect malfunctions of the HV battery.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P1A80-00 Hybrid/EV Battery Stack 1 Delta SOC High The difference in capacity of each cell of the No. 1 HV supply stack sub-assembly exceeds the specified value.
(2 trip detection logic)
  • No. 1 HV supply stack sub-assembly
  • Hybrid battery terminal block
  • Battery ECU assembly
Comes on Master Warning:
Comes on
P1A85-00 Hybrid/EV Battery Stack 2 Delta SOC High The difference in capacity of each cell of the No. 2 HV supply stack sub-assembly exceeds the specified value.
(2 trip detection logic)
  • No. 2 HV supply stack sub-assembly
  • Hybrid battery terminal block
  • Battery ECU assembly
Comes on Master Warning:
Comes on
RELATED DATA LIST

DTC No. Data List
P1A80-00
  • Hybrid/EV Battery Cell 1 to 70 Voltage
  • Hybrid/EV Battery Cell 1 to 70 Internal Resistance
  • Hybrid/EV Battery SOC
  • Hybrid/EV Battery Current
  • Hybrid/EV Battery Voltage
P1A85-00

HINT: