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DTC |
Contents |
Diagnosis content |
Index |
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None |
Communication for Initializing Impossible |
· Open or short in Subaru Select Monitor communication line · Back-up power supply circuit malfunction |
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B1100 |
Integ. Unit System Error |
Body integrated unit internal error |
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B1101 |
Batt P/Supply Malfunction Cont |
Battery power supply control circuit voltage malfunction |
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B1102 |
Batt P/Supply Malfunction Backup |
Battery power supply backup circuit voltage malfunction |
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B1103 |
Ignition Power Failure |
IGN power supply circuit voltage malfunction |
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B1104 |
ACC Power Failure |
ACC power supply circuit voltage malfunction |
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B1105 |
Key Interlock Circuit Abnormal |
Open or short in key interlock circuit |
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B1106 |
Shift Lock Circuit Failure |
Open or short in shift lock circuit |
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U1201 |
CAN-HS Counter Abnormal |
Communication is unstable because of high speed CAN communication error. |
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U1202 |
CAN-HS Bus Off |
Communication error occurs because of high speed CAN error. |
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U1211 |
CAN-HS ECM Data Abnormal |
Received error data from ECM. |
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U1212 |
CAN-HS TCM Data Abnormal |
Received error data from TCM. |
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U1213 |
CAN-HS VDC/ABS Data Abnormal |
Received error data from VDC/ABS unit. |
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U1221 |
CAN-HS ECM No-Receive Data |
Not received error data from ECM. |
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U1222 |
CAN-HS TCM No-Receive Data |
Not received error data from TCM. |
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U1223 |
CAN-HS VDC/ABS No-Receive Data |
Not received error data from VDC/ABS unit. |
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U1300 |
CAN-LS Malfunction |
Open or short in CAN-LS circuit, on ether side |
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U1301 |
CAN-LS Counter Abnormal |
Communication is unstable because of low speed CAN communication error. |
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U1302 |
CAN-LS Bus Off |
Integrated unit communication is shut down because of low speed CAN communication error. |
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U1303 |
Wake-up Line Abnormal |
Short circuit of wakeup line to battery line or ground |
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U1311 |
CAN-LS Meter Unit Data Abnormal |
Received error data from meter. |
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U1321 |
CAN-LS Meter No-Receive Data |
Not received error data from meter. |
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U1327 |
CAN-LS G/W No-Receive Data |
Data is not received from gateway CM. |
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B1401 |
M Collation NG |
Malfunction related immobilizer |
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B1402 |
Immobirizer Key Collation NG |
Malfunction related immobilizer |
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B1403 |
E/G Request NG |
Malfunction related immobilizer |
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B1404 |
Smart Registration Failure |
Ends with error during keyless access registration. |
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B1500 |
Keyless UART Com. Malfunction |
Open or short circuit in keyless UART circuit |
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NOTE:
When more than two DTC codes are recorded, referring to their combination will make it easy to identify the possible cause. Refer to the list for typical examples.
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DTC to Check |
Diagnostic Code that was displayed. |
Probable cause | |||
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Body integrated unit |
ECM |
TCM |
VDC/ABS CM | ||
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B1100 |
B1100 |
— |
— |
— |
There could be a problem in the body integrated unit. |
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U1221 |
U1221 |
— |
P1718 |
C0057 |
It is possible that the ECM is faulty. |
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U1222 |
U1222 |
P0600 |
— |
C0057 |
It is possible that the TCM is faulty. |
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U1223 |
U1223 |
P0600 |
P1718 |
— |
It is possible that the VDC/ABSCM is faulty. |
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U1321 |
U1321 |
— |
— |
— |
It is possible that the combination meter is faulty. |
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B1500 |
B1500 |
— |
— |
— |
It's possible that there is an internal problem in the keyless entry control module, or a open circuit in the communication line. |