Knowledge Hub
Decoded by engineers,
verified by technicians.
888 guides, repair insights and product knowledge from the iCarsoft Technical Team.
Tech Center & Insights
Air-fuel ratio imbalance triggering P2172?
Air-fuel ratio imbalance triggering P2172? CR MAX BT diagnoses and fixes it fast.
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Tech Center & Insights
What is P1237?
What is P1237? It’s fuel pump control module (FPCM) driver circuit malfunction. Use iCarsoft CR Pro S to test FPCM/pump, monitor …
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Tech Center & Insights
What Is Car Fault Code P2007?
P2007--EGR flow control valve stuck closed. Use iCarsoft CR Eagle to test/clean valve, scan live data & clear codes—58+ brands su…
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Tech Center & Insights
What Is Car Fault Code P1236?
P1236--Fuel Pump Control Module (FPCM) circuit performance error. Use iCarsoft CR Eagle to test FPCM/pump, monitor data & clear c…
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Tech Center & Insights
P0261
P0261--Cylinder 1 injector circuit low input. Use iCarsoft CR Eagle to test injectors, monitor voltage & clear codes—works for 58…
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Tech Center & Insights
P2043
P2043--EGR temperature sensor circuit "A" range/performance issue. Use iCarsoft CR Eagle to test sensor, monitor data & clear cod…
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Tech Center & Insights
What is P0419?
What is P0419? It’s SAI system relay control circuit intermittent/erratic. Use iCarsoft CR Pro S to test relay/pump, monitor volt…
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Tech Center & Insights
What is P0459?
What is P0459? It’s EVAP vent control valve/solenoid circuit intermittent/erratic. Use iCarsoft CR Pro S to test valve, check pre…
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Tech Center & Insights
What is P0409?
What is P0409? It’s EGR valve position sensor circuit intermittent/erratic. Use iCarsoft CR Pro S to test EGR valve/sensor, monit…
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Tech Center & Insights
What is P1728?
What is P1728? It’s transmission control system/speed sensor circuit malfunction (auto trans). Use iCarsoft CR Pro S to test sens…
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Tech Center & Insights
What is P0718?
What is P0718? It’s transmission fluid temperature (TFT) sensor circuit intermittent/erratic. Use iCarsoft CR Pro S to test senso…
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Tech Center & Insights
What is P1456?
What is P1456? It’s EVAP system purge flow malfunction (gas/hybrid vehicles). Use iCarsoft CR Pro S to test valves, check leaks &…
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Tech Center & Insights
What is P0278?
What is P0278? It’s fuel injector circuit high input (Cylinder 6). Use iCarsoft CR Pro S to test injector, monitor voltage & clea…
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Tech Center & Insights
What is P1490?
What is P1490? It’s EVAP system canister purge solenoid valve circuit malfunction. Use iCarsoft CR Pro S to test solenoid, monito…
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Tech Center & Insights
What is P0433?
What is P0433? It’s catalytic converter efficiency below threshold (Bank 2). Use iCarsoft CR Pro S to test O2 sensors, monitor ex…
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Tech Center & Insights
What is P0413?
What is P0413? It’s secondary air injection (SAI) system relay A control circuit malfunction. Use iCarsoft CR Pro S to test relay…
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Tech Center & Insights
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 actua…
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Tech Center & Insights
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, moni…
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Tech Center & Insights
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 DP…
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Tech Center & Insights
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 IM…
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Tech Center & Insights
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 & clea…
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Tech Center & Insights
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/sol…
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Tech Center & Insights
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,…
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Tech Center & Insights
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,…
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