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DTC B1167: Shift status COMM. Timeout
 
 
caution
  • If DTC B1167 is set, be sure to diagnose the CAN bus line.
  • Before replacing ECU, ensure that the communication circuit is normal.
 
 
DIAGNOSTIC FUNCTION
When the power supply mode of the electric motor switch is turned from off to on, the OSS-ECU will request the PHEV-ECU to select the P position and inform of the actual selector lever position. If the OSS-ECU does not receive any information from the PHEV-ECU, the OSS-ECU will store DTC U1167 and inform the driver of a fault in the power supply system on the multi-information display.
 
 
DTC SET CONDITION
Check Conditions
  • Power supply mode: ON
Judgment Criterion
  • The PHEV-ECU does not inform the ECU whether the selector lever could be moved to P position or not.
 
 
PROBABLE CAUSES
  • Malfunction of the CAN bus line
  • Malfunction of PHEV-ECU
  • Malfunction of OSS-ECU
 
 
DIAGNOSIS
1. Using scan tool (M.U.T.-IIISE), diagnose the CAN bus line.
2. PHEV-ECU diagnostic trouble code check
3. OSS-ECU diagnostic trouble code recheck