Tech Center & Insights
OBD-II fault-code references, repair walk-throughs and field-tested troubleshooting from the iCarsoft engineering team and our partner technicians.
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What is P2021?
What is P2021? It’s intake manifold runner control (IMRC) circuit range/performance (Bank 1). Use iCarsoft CR Pro S to test actuator/solenoid, monitor data & clear P2021—works for 60+ brands. Save on dealership fees!
What is P1442?
What is P1442? It’s EVAP system canister purge control valve circuit malfunction. Use iCarsoft CR Pro S to test purge valve, monitor pressure & clear P1442—works for 60+ brands. Save on dealership fees!
What is P2452?
What is P2452? It’s DPF differential pressure sensor (DPS) circuit high input (diesel vehicles). Use iCarsoft CR Pro S to test DPS, monitor pressure & clear P2452—supports 60+ makes. Save on dealership fees!
What is P2009?
What is P2009? It’s intake manifold runner control (IMRC) actuator circuit malfunction (Bank 1). Use iCarsoft CR Pro S to test IMRC actuator, monitor data & clear P2009—works for 60+ brands. Save on dealership fees!
What is P0723?
What is P0723? It’s output speed sensor (OSS) circuit high input. Use iCarsoft CR Pro S to test OSS, monitor voltage/speed & clear P0723—works for 60+ brands. Save on dealership fees!
What is P1446?
What is P1446? It’s EVAP system canister purge volume control valve circuit malfunction. Use iCarsoft CR Pro S to test valves/solenoid, monitor pressure & clear P1446—works for 60+ brands. Save on dealership fees!
What is P0414?
What is P0414? It’s secondary air injection (SAI) pump control circuit malfunction. Use iCarsoft CR Pro S to test SAI pump/relay, monitor circuit data & clear P0414—works for 60+ brands. Save on dealership fees!
What is P0660?
What is P0660? It’s intake manifold tuning valve (IMTV) control circuit malfunction. Use iCarsoft CR Pro S to test IMTV/solenoid, monitor circuit data & clear P0660—works for 60+ brands. Save on dealership fees!
What is P2273?
What is P2273? It’s O2 sensor signal stuck lean (Bank 1, Sensor 2). Use iCarsoft CR Pro S to test O2 sensors, monitor voltage & clear P2273—works for 60+ brands. Save on dealership fees!
What is P1500?
What is P1500? It’s idle air control (IAC) system malfunction. Use iCarsoft CR Pro S to test IAC valve, monitor idle data & clear P1500—works for 60+ brands. Save on dealership fees!
What is P2105?
What is P2105? It’s throttle actuator control system forced limited power. Use iCarsoft CR Pro S to test actuator, monitor ETC data & clear P2105—works for 60+ brands. Save on dealership fees!
What is P1448?
What is P1448? It’s EVAP system purge control circuit malfunction. Use iCarsoft CR Pro S to test purge/vent valves, monitor pressure & clear P1448—works for 60+ brands. Save on dealership fees!
What is P0712?
What is P0712? It’s transmission fluid temperature (TFT) sensor circuit low input. Use iCarsoft CR Pro S to monitor temp/voltage, test TFT & clear P0712—works for 60+ brands. Save on dealership fees!
What is P0124?
What is P0124? It’s throttle position sensor (TPS) A circuit intermittent. Use iCarsoft CR Pro S to monitor TPS voltage, test throttle components & clear P0124—works for 60+ brands. Save on dealership fees!
P2043
P2043--EGR temperature sensor circuit "A" range/performance issue. Use iCarsoft CR Eagle to test sensor, monitor data & clear codes—works for 58+ brands. Save on dealership costs!
What is P1409?
What is P1409? It’s EGR valve position sensor circuit malfunction. Use iCarsoft CR Pro S to test EGR components, monitor position data & clear P1409—works for 60+ brands. Save on dealership fees!
What is P0431?
What is P0431? It’s catalyst efficiency below threshold (Bank 2, Sensor 1). Use iCarsoft CR Pro S to test O2 sensors, monitor efficiency & clear P0431—works for 60+ brands. Save on dealership fees!
What is P1501?
What is P1501? It’s idle air control (IAC) valve circuit malfunction. Use iCarsoft CR Pro S to test IAC valve, monitor idle data & clear P1501—works for 60+ brands. Save on dealership fees!
What is P1400?
What is P1400? It’s EGR flow sensor circuit malfunction. Use iCarsoft CR Pro S to test EGR components, monitor flow data & clear P1400—works for 60+ brands. Save on dealership fees!
What is P0429?
What is P0429? It’s EGR flow control circuit high. Use iCarsoft CR Pro S to test EGR valve/solenoid, monitor live data & clear P0429—works for 60+ brands. Save on dealership fees!
What is P2033?
What is P2033? It’s EGT sensor circuit high input (Bank 1, Sensor 2). Use iCarsoft CR Pro S to monitor temp/voltage, test circuit & clear P2033—works for 60+ brands. Save on dealership fees!
What is P2599?
What is P2599? It’s turbo/supercharger wastegate actuator control circuit issue. Use iCarsoft CR Pro S to monitor boost, test actuator & clear P2599—works for 60+ brands. Save on dealership fees!
What is P0454?
What is P0454? It’s EVAP system pressure sensor intermittent/erratic. Use iCarsoft CR Pro S to monitor live pressure, test EVAP & clear P0454—works for 60+ brands. Save on dealership fees!
What is P0563?
What is P0563? It’s system voltage high (overcharging issue). Use iCarsoft CR Pro S to monitor voltage, test battery/alternator & clear P0563—works for 60+ brands. Save on dealership fees!