Diagnostic Trouble Codes (DTCs) –
Patriot
Boost
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Diagnostic Trouble Codes (DTCs) – Matryx PATRIOT BOOST |
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SPN = SUSPECT PARAMETER NUMBER / FMI = FAILURE MODE INDICATOR |
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SPN |
FMI |
P-CODE |
DESCRIPTION |
FAULT SETTING |
FAULT HEALING |
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1127 |
10 |
P101F |
Boost air pressure sensor abnormal rate of change |
Difference between previous and current boost pressure data is greater than maximum expected value for certain number of detections |
Voltage updates at normal rate after power cycle |
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4 |
Boost air pressure sensor voltage too low |
Boost air pressure sensor voltage drops below lower limit |
Voltage returns to normal range |
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0 |
Boost air pressure sensor over pressure - most severed |
Filtered boost pressure exceeds upper limit for specified duration of time |
ECU reset or power cycle |
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3 |
Boost air pressure sensor voltage too high |
Boost air pressure sensor voltage exceeds upper limit |
Voltage returns to normal range |
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16 |
Boost air pressure sensor over pressure - moderately severe |
Filtered boost pressure exceeds upper limit for specified duration of time |
Return to normal range |
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17 |
Boost air pressure sensor under pressure - least severe |
Boost air pressure sensor voltage falls below lower limit for specified duration of time |
Voltage returns to normal range |
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1188 |
4 |
P1020 |
Wastegate actuator position sensor voltage too low |
Wastegate actuator position sensor voltage falls below lower limit for specified duration of time |
Voltage returns to normal range |
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10 |
Wastegate actuator position sensor abnormal rate of change |
Difference between previous and current wastegate actuator position sensor voltage exceeds maximum detected value for specified number of detections |
Voltage updates at normal rate after power cycle |
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3 |
Wastegate actuator position sensor voltage too high |
Wastegate actuator position sensor voltage exceeds limit for specified duration of time |
Voltage returns to normal range |
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523949 |
31 |
P1021 |
Boost actuator learn failure |
ECU issues error information if the learn procedure fails |
Contact your Dealer |
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7 |
Boost actuator learn check failure |
After specified duration of time after moving to open or closed, ECU detects wastegate position voltage and a fault is issued if the open or closed position is too far out of range |
Contact your Dealer |
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523952 |
10 |
P1022 |
Boost air temperature sensor abnormal rate of change |
Difference between previous and current boost air temp data is greater than upper limit for specified number of detections |
Normal voltage rate of change after power cycle |
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4 |
Boost air temperature sensor voltage too low |
Boost air temperature sensor voltage is below lower limit for specified duration of time |
Voltage returns to normal or power cycle |
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16 |
Boost air temperature over temperature - moderately severe |
Boost air temperature is above limit for specified duration of time |
Return to normal temperature range |
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3 |
Boost air temperature sensor voltage too high |
Boost air temperature sensor voltage is greater than upper limit for specified duration of time |
Voltage returns to normal or power cycle |
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0 |
Boost air temperature over temperature - most severe |
Over temperature - moderately severe condition is detected more than maximum amount of detections |
ECU reset or power cycle |
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523953 |
3 |
P1023 |
Wastegate Actuator H Bridge (+/-) short to battery |
If injector voltage and engine DC voltage exceed respective limits, ECU communicates with internal driver IC and issues error |
Conditions to issue error no longer met |
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4 |
Wastegate Actuator H Bridge (+/-) short to ground |
If injector voltage and engine DC voltage exceed respective limits, ECU communicates with internal driver IC and issues error |
Conditions to issue error no longer met |
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523954 |
19 |
P1024 |
Wastegate Actuator H Bridge Internal IC no communication |
If injector voltage and engine DC voltage exceed respective limits, ECU communicates with internal driver IC and issues error |
Conditions to issue error no longer met |
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523948 |
9 |
P1025 |
Boost actuator position not achieved |
Boost actuator target position is not within expected range after specified duration of time |
Target position is achieved |
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521373 |
3 |
P1386 |
Auxiliary injector MAG driver circuit shorted to B+ |
Smart IC driver detects short to B+ |
ECU detects normal status of injector for specified amount of time |
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4 |
P1387 |
AUX Mag Injector Voltage Low |
AUX injector voltage below lower limit |
Voltage within normal range after power cycle |
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5 |
P1388 |
Auxiliary injector MAG driver circuit open/grounded |
Smart IC driver sends open/ground error |
ECU detects normal status of injector for specified amount of time |
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521374 |
3 |
P1389 |
Auxiliary injector PTO driver circuit shorted to B+ |
Smart IC driver detects short to B+ |
ECU detects normal status of injector for specified amount of time |
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4 |
P1390 |
AUX PTO Injector Voltage Low |
AUX injector voltage below lower limit |
Voltage within normal range after power cycle |
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5 |
P1391 |
Auxiliary injector PTO driver circuit open/grounded |
Smart IC driver sends open/ground error |
ECU detects normal status of injector for specified amount of time |
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