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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Hybrid Control System (Nickel Metal Hydride) - Diagnostic Codes (P0A9B-P0ADD)) >> HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY) >> DTC P0ADD-15: Hybrid/EV Battery Negative Contactor Circuit Short to Auxiliary Battery or Open [04/2018 - 08/2020] >> Description

DTC P0ADD-15: Hybrid/EV Battery Negative Contactor Circuit Short to Auxiliary Battery or Open [04/2018 - 08/2020]: Description

WARNING: This page is about a different car, the 2020 Toyota Avalon and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

Refer to the description for DTC P0AE4-11.

Refer to DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0ADD-15 Hybrid/EV Battery Negative Contactor Circuit Short to Auxiliary Battery or Open Open or short to +B in SMRG circuit:
Primary circuit of SMR (-) is malfunctioning.
(2 trip detection logic)
  • Wire harness or connector
  • HV battery junction block assembly
  • Hybrid vehicle control ECU
 Does not come on Master Warning Light:
Comes on
RELATED DATA LIST

DTC No. Data List
P0ADD-15
  • VL-Voltage before Boosting
  • VH-Voltage after Boosting
  • Hybrid Battery Voltage
  • SMRP Status
  • SMRB Status
  • SMRG Status
  • SMRP Control Status
  • SMRB Control Status
  • SMRG Control Status
  • Boosting Converter Shutdown Status
  • Generator Inverter Shutdown Status
  • Motor Inverter Shutdown Status
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