Isuzu fault codes
6,918 codes · 5 vehicle records · 107 ECU records · 0 live-data parameters
Codes 6,918
| Code | Description | Brands | System |
|---|---|---|---|
| P1944 | Control module 1 for cooling fan: over-temp; Implausible signal | 14 | Powertrain |
| P1972 | PTC temperature sensor broken circuit | 16 | Powertrain |
| P1973 | PTC temperature sensor short circuit | 16 | Powertrain |
| P1974 | PTC body temperature too high fault | 15 | Powertrain |
| P1975 | PTC_IGBT temperature too high fault | 15 | Powertrain |
| P1976 | PTC_IGBT_A fault | 15 | Powertrain |
| P1977 | PTC_IGBT_B fault | 16 | Powertrain |
| P1978 | PTC high voltage undervoltage fault | 15 | Powertrain |
| P1979 | PTC_A hot core disconnection fault | 15 | Powertrain |
| P1980 | PTC_B hot core disconnection fault | 15 | Powertrain |
| P1981 | PTC_IGBT temperature sensor fault | 16 | Powertrain |
| P1982 | Internal Control Module EEPROM Error (Application) | 14 | Powertrain |
| P1983 | PTC_IGBT_B broken circuit fault | 14 | Powertrain |
| P1984 | PTC_A hot core short circuit fault | 13 | Powertrain |
| P1997 | Friction too High | 7 | Powertrain |
| P199C | Thermostat for cylinder head: short to plus | 6 | Powertrain |
| P199D | Thermostat for cylinder head: short to GND; Open circuit | 6 | Powertrain |
| P1A00 | APS (main) power supply circuit | 15 | Powertrain |
| P1A01 | Generator Brake Performance | 20 | Powertrain |
| P1A02 | Transmission One Way Clutch Performance | 17 | Powertrain |
| P1A03 | Drive Motor A Shutdown Circuit | 18 | Powertrain |
| P1A04 | Generator Shutdown Circuit | 17 | Powertrain |
| P1A1F | Hybrid/electric vehicle battery - Contactor - Circuit range/performance | 11 | Powertrain |
| P1A30 | BIC7 equalizing circuit fault | 9 | Powertrain |
| P1A31 | BIC8 equalizing circuit fault | 9 | Powertrain |
| P1A32 | BIC9 equalizing circuit fault | 9 | Powertrain |
| P1A33 | BIC10 equalizing circuit fault | 9 | Powertrain |
| P1A40 | Traction battery | 11 | Powertrain |
| P1A50 | Drive motor 1 control module random access memory | 16 | Powertrain |
| P1A51 | Drive motor 1 control module read only memory | 17 | Powertrain |
| P2000 | NOx Adsorber Efficiency Below Threshold (Bank 1) | 33 | Powertrain |
| P2001 | NOx Trap Efficiency Below Threshold Bank 2 | 26 | Powertrain |
| P2002 | Particulate Filter Efficiency Below Threshold (Bank 1) | 40 | Powertrain |
| P2003 | Particulate filter efficiency below threshold bank 2 | 28 | Powertrain |
| P2004 | Intake Manifold Runner Control Stuck Open (Bank 1) | 37 | Powertrain |
| P2005 | Intake manifold runner control stuck open bank 2 | 28 | Powertrain |
| P2006 | Intake manifold runner control stuck closed bank 1 | 34 | Powertrain |
| P2007 | Intake manifold runner control stuck closed bank 2 | 29 | Powertrain |
| P2008 | Intake Manifold Runner Control Circuit/Open (Bank 1) | 39 | Powertrain |
| P2009 | Intake Manifold Runner Control Circuit Low (Bank 1) | 36 | Powertrain |
| P200A | Intake Manifold Runner Performance | 27 | Powertrain |
| P200B | Intake Manifold Runner Performance (Bank 2) | 23 | Powertrain |
| P200C | Particulate Filter Over Temperature (Bank 1) | 29 | Powertrain |
| P200D | Particulate filter overtemperature bank 2 | 22 | Powertrain |
| P200E | Catalyst System Over Temperature (Bank 1) | 26 | Powertrain |
| P200F | Catalyst System Over Temperature | 22 | Powertrain |
| P2010 | Intake Manifold Runner Control Circuit High (Bank 1) | 36 | Powertrain |
| P2011 | Intake manifold runner control circuit/open bank 2 | 29 | Powertrain |
| P2012 | Intake manifold runner control circuit low bank 2 | 27 | Powertrain |
| P2013 | Intake manifold runner control circuit high bank 2 | 27 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.