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DTC No. P0C30-00 SOC High Over diagnosis
 
 
 
 
MONITOR EXECUTION
Continuous
 
 
MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)
Other Monitor (There is no temporary DTC set in memory for the item monitored below)
  • BMU monitor
  • Drive battery voltage sensor circuit monitor
Sensor (The sensor below is determined to be normal)
  • Drive battery current sensor
 
 
DTC SET CONDITIONS
Logic Flow Chart
Check Condition
  • The BMU power supply voltage is more than 7.578 volts.
Judgment Criterion
  • The SOC is 120% or more.
 
 
OBD-II DRIVE CYCLE PATTERN
 
 
TROUBLESHOOTING HINTS
  • Malfunction of the BMU
  • Error of the drive battery learning procedure
noteThe DTC No. P0A7D-00 may be set due to the following factor.
  • Over discharge or the drive battery since the vehicle is not used for a long time.
 
 
DIAGNOSIS
Required Special Tools:
  • MB992744: Vehicle communication interface-Lite (V.C.I.-Lite)
  • MB992745: V.C.I.-Lite main harness A
  • MB992747: V.C.I.-Lite USB cable short
  • MB992748: V.C.I.-Lite USB cable long
1.M.U.T.-IIISE data list
(1) Check the following BMU data list.
  • Item No. 35: SOC CAN Output
OK: 0 to 100%
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to General Information - How to Use Troubleshooting/Inspection Service Points, How to Cope with Intermittent Malfunctions HOW TO COPE WITH INTERMITTENT MALFUNCTIONS).
 
2.Battery module check
  1. Disassemble the drive battery (Refer to SERVICE PROCEDURE).
  2. Check the battery module (Refer to BATTERY MODULE CHECK).
Is the check result normal?
Replace the BMU (Refer to SERVICE PROCEDURE). Then,
Replace the drive battery (Refer to DRIVE BATTERY REMOVAL AND INSTALLATION). Then,
 
3.Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to OBD-II Drive Cycle OBD-II DRIVE CYCLE.
(2) Check the DTC.
Is the DTC set?
Retry the troubleshooting.
The procedure is complete.