Isuzu fault codes
6,918 codes · 5 vehicle records · 107 ECU records · 0 live-data parameters
Codes 6,918
| Code | Description | Brands | System |
|---|---|---|---|
| P1868 | Transmission fluid life | 22 | Powertrain |
| P1870 | Short circuit to negative | 24 | Powertrain |
| P1872 | Short circuit to positive | 24 | Powertrain |
| P1873 | Short circuit to positive | 24 | Powertrain |
| P1875 | Short circuit to positive | 26 | Powertrain |
| P1876 | implausible signal or value | 24 | Powertrain |
| P1877 | Short circuit to positive | 22 | Powertrain |
| P1887 | Road speed signal wheel speed from brake control unit, implausible signal | 22 | Powertrain |
| P1889 | Problem in CVT Speed Sensor 2 Circuit | 20 | Powertrain |
| P1891 | Neutral status (when in gear D) valve stuck (SLC1 stuck) | 19 | Powertrain |
| P1892 | Short circuit to negative | 18 | Powertrain |
| P1895 | Function restriction due to pressure drop | 24 | Powertrain |
| P1898 | Short circuit to negative | 15 | Powertrain |
| P1900 | Battery Voltage Reduction | 31 | Powertrain |
| P1901 | Main Battery Voltage Reduction | 31 | Powertrain |
| P1902 | Sub Battery Voltage Reduction | 29 | Powertrain |
| P1903 | Shift lever 2 sensor output is too low | 23 | Powertrain |
| P1904 | Input system 1 failure for DC-DC converter | 21 | Powertrain |
| P1905 | Input system 2 failure for DC-DC converter | 24 | Powertrain |
| P1906 | Output system 1 failure for DC-DC converter | 23 | Powertrain |
| P1907 | Output system 2 failure for DC-DC converter | 19 | Powertrain |
| P1908 | ISS Relay circuit failure | 22 | Powertrain |
| P1909 | Data bus, ECM 1/2 - no signal from ECM 1 | 18 | Powertrain |
| P190A | Coolant pump for intercooler: electrical malfunction; No signal/communication | 15 | Powertrain |
| P190B | Coolant pump for intercooler: temperature shut-off; Mechanical failure | 16 | Powertrain |
| P1911 | Sensor Fault | 19 | Powertrain |
| P1912 | Pressure sensor for brake boost (G294): short to plus; Open or short to ground | 18 | Powertrain |
| P1913 | Pressure sensor for brake boost (G294): short to ground; Open circuit | 18 | Powertrain |
| P1914 | Pressure Sensor for Brake Boost (G294): Implausible Signal | 15 | Powertrain |
| P1915 | Reverse Switch Circuit Malfunction | 24 | Powertrain |
| P1916 | Gear shift position circuit B low | 17 | Powertrain |
| P1917 | Gear shift solenoid valves | 19 | Powertrain |
| P1918 | Transmission Range Display Circuit Malfunction | 19 | Powertrain |
| P1919 | Engine Coolant Temperature Signal | 19 | Powertrain |
| P1921 | Transmission Range Signal | 15 | Powertrain |
| P1922 | Fuel Additive Level Circuit | 20 | Powertrain |
| P1923 | Engine control module (ECM) 2 - malfunction | 21 | Powertrain |
| P1924 | Controller Pin coding: implausible signal; Defective | 10 | Powertrain |
| P1925 | Relay for aux coolant pump (J496): short to plus; Short to plus | 17 | Powertrain |
| P1926 | Relay for aux coolant pump (J496): short to ground; Open circuit | 19 | Powertrain |
| P1927 | Relay for aux coolant pump (J496): open circuit; Implausible signal | 21 | Powertrain |
| P1928 | Fuel additive pump control - circuit/open | 15 | Powertrain |
| P1929 | Fuel Additive Pump Control Circuit Performance | 9 | Powertrain |
| P1930 | Fuel additive pump control - circuit low | 14 | Powertrain |
| P1932 | Powertrain databus: implausible message from contr. for access & start Auth. | 18 | Powertrain |
| P1933 | Throttle Actuator 2: Malfunction | 19 | Powertrain |
| P1935 | Invalid brake signal | 12 | Powertrain |
| P1941 | Powertrain Databus: Implausible Message from Controller for Batt. Monitoring | 16 | Powertrain |
| P1942 | Powertrain Databus: Missing Message from Level Control System | 16 | Powertrain |
| P1943 | Powertrain Databus: Implausible Message from Level Control System | 16 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.