OBD-II · CODE FAMILY
Codes P19xx — what they mean
P19xx is a family of 19 manufacturer-specific OBD2 codes covering powertrain and electrical faults. Each P19xx code below links to its own page with causes, diagnosis and the parts to fix it.
19 codesPowertrain systems
FAMILY
RangeP1900–P1918
Codes19
TROUBLEATLAS APP
01All codes in this family
One rich, indexed page — not thousands of empty ones. Each code links to its own page.
| Code | Meaning — click to open the code page | System | Severity |
|---|---|---|---|
| P1900 | Output Shaft Speed (OSS) Circuit Intermittent Malfunction → /auto/codes/p1900/ Output Shaft Speed (OSS) Circuit Intermittent Malfunction | Powertrain | Medium |
| P1901 | Turbine Shaft Speed (TSS) Circuit Intermittent Malfunction → /auto/codes/p1901/ Turbine Shaft Speed (TSS) Circuit Intermittent Malfunction | Powertrain | Medium |
| P1902 | Kickdown Solenoid Relay Control Circuit → /auto/codes/p1902/ Kickdown Solenoid Relay Control Circuit | Powertrain | Medium |
| P1903 | Kickdown Solenoid Circuit Low Voltage → /auto/codes/p1903/ Kickdown Solenoid Circuit Low Voltage | Powertrain | Medium |
| P1904 | Kickdown Solenoid Circuit High Voltage → /auto/codes/p1904/ Kickdown Solenoid Circuit High Voltage | Powertrain | Medium |
| P1905 | Pressure Control Solenoid "C" Intermittent Short → /auto/codes/p1905/ Pressure Control Solenoid "C" Intermittent Short | Powertrain | Medium |
| P1906 | Kickdown Pull Relay Open or Short Circuit to Ground → /auto/codes/p1906/ Kickdown Pull Relay Open or Short Circuit to Ground | Powertrain | Medium |
| P1907 | Kickdown Hold Relay Open or Short Circuit to Ground → /auto/codes/p1907/ Kickdown Hold Relay Open or Short Circuit to Ground | Powertrain | Medium |
| P1908 | Transmission Pressure Circuit Solenoid Open or Short to Grou → /auto/codes/p1908/ Transmission Pressure Circuit Solenoid Open or Short to Ground | Powertrain | Medium |
| P1909 | Trans Temp Sensor Circuit Open or Shorted to Pwr or Gnd → /auto/codes/p1909/ Trans Temp Sensor Circuit Open or Shorted to Pwr or Gnd | Powertrain | Medium |
| P1910 | VFS A Pressure Output Failed Low → /auto/codes/p1910/ VFS A Pressure Output Failed Low | Powertrain | Medium |
| P1911 | VFS B Pressure Output Failed Low → /auto/codes/p1911/ VFS B Pressure Output Failed Low | Powertrain | Medium |
| P1912 | VFS C Pressure Output Failed Low → /auto/codes/p1912/ VFS C Pressure Output Failed Low | Powertrain | Medium |
| P1913 | Pressure Switch A Circuit Malfunction → /auto/codes/p1913/ Pressure Switch A Circuit Malfunction | Powertrain | Medium |
| P1914 | Manually Shifted Automatic (MSA) Sw Circuit Malf → /auto/codes/p1914/ Manually Shifted Automatic (MSA) Sw Circuit Malf | Powertrain | Medium |
| P1915 | Reverse Switch Circuit Malfunction → /auto/codes/p1915/ Reverse Switch Circuit Malfunction | Powertrain | Medium |
| P1916 | High Clutch Drum Speed Sensor Malfunction → /auto/codes/p1916/ High Clutch Drum Speed Sensor Malfunction | Powertrain | Medium |
| P1917 | High Clutch Drum Speed Sensor Intermittent → /auto/codes/p1917/ High Clutch Drum Speed Sensor Intermittent | Powertrain | Medium |
| P1918 | Transmission Range Display Circuit Malfunction → /auto/codes/p1918/ Transmission Range Display Circuit Malfunction | Powertrain | Medium |
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