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DTC P1B01: Quick Charger vehicle error
 
 
cautionBefore replacing the ECU, ensure that the communication circuit is normal.
 
 
DTC SET CONDITIONS
The PHEV-ECU sets DTC P1B01 when it receives a vehicle error judgment signal from the quick charger.
 
 
 
PROBABLE CAUSES
Quick charge
  • Malfunction of the quick charger.
  • The quick charging has terminated as a DTC is set.
  • Both of the quick charging contactors are stuck.
  • Malfunction of the PHEV-ECU.
Electrical discharge in the atmosphere
  • The quick charging has terminated as a DTC is set.
  • Malfunction of the PHEV-ECU.
 
 
 
 
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-IIISE), check whether the other DTC is set.
Check other DTC related to quick charging is not set.
Is the DTC set?
Troubleshoot for the relevant DTC.
Go to Step 2.
 
STEP 2. Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.
Recheck the DTC.
(1) Erase the DTC.
(2) Perform quick charging.
(3) Check the DTC.
Is the DTC set?
Check the quick charger.
The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope with Intermittent Malfunction ).