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DTC P1602-00: Deterioration of Battery Low Capacity [12/2019 - 10/2022]: Description

The ECM determines the battery SOC (state of charge) according to the voltage of the BATT terminal while the engine is running (not cranking).

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory Note
P1602-00 Deterioration of Battery Low Capacity Battery capacity is low for 10 seconds or more when the engine is running (not cranking).
(1 trip detection logic)
  • Battery
  • Wire harness or connector
Charge warning is not displayed DTC stored SAE Code: P1602