Knowledge Hub
Decoded by engineers,
verified by technicians.
888 guides, repair insights and product knowledge from the iCarsoft Technical Team.
Tech Center & Insights
P1705 Code: Transmission Range / TR Sensor Fault — Fix
P1705 is a brand-specific transmission range/TR sensor code. Learn the causes, symptoms, and how to diagnose gear-position faults…
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P0174 Code: System Too Lean (Bank 2) — Causes, Symptoms & Fix
P0174 means bank 2 is running lean — and since it usually appears with P0171, the cause is almost always something both banks sha…
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Tech Center & Insights
P1649 Code
Fix P1649 (FCA EVAP Purge Solenoid Control Circuit Open/Fault) with iCarsoft CR MAX. Test solenoid activation, check fuses/wiring…
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Tech Center & Insights
U0121 Code: Lost Communication with ABS Module — Causes, Symptoms & Fix
U0121 means other computers on the CAN bus stopped hearing from the ABS module — you still have base brakes, but ABS and stabilit…
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Tech Center & Insights
P1611 Error Code
Learn what the P1611 code means for Toyota vehicles, common symptoms, causes, and how to fix it. Use iCarsoft CR MAX to diagnose …
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Tech Center & Insights
Understanding OBD-II Codes P1336–P1346
Learn what OBD-II codes P1336–P1346 mean, from crankshaft misfire to VVT issues. Discover causes, symptoms, and how the iCarsoft …
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Tech Center & Insights
0571 Code: Cruise Control / Brake Switch A Circuit — Fix
P0571 means a brake switch A circuit fault affecting cruise control. Learn the causes, symptoms, and how to test and fix it with …
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Tech Center & Insights
Understanding OBD-II Code P0098
Learn what OBD-II code P0098 means, common causes, and how to fix an IAT sensor 2 circuit high issue. Diagnose fast with iCarsoft…
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Tech Center & Insights
Understanding and Fixing Trouble Code P3008
Learn what the P3008 code means, common causes, symptoms, and repair steps. Diagnose intake manifold runner issues quickly with t…
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P0638 Code: Throttle Actuator Range/Performance — Causes, Symptoms & Fix
P0638 means the electronic throttle isn't moving the way the ECU commands — usually a dirty throttle body or a lost relearn, occa…
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Tech Center & Insights
P0410 Code
Learn what error code P0410 means, its causes, symptoms, and repair steps. Diagnose secondary air injection issues easily with th…
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Tech Center & Insights
Decoding the P0405 Error Code
Learn how to diagnose and repair OBD-II code P0405 (EGR Sensor A Circuit Low). Discover symptoms, causes, and why the CR MAX EGR …
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Tech Center & Insights
P0230 Code
Learn what OBD-II code P0230 means, its symptoms, causes, and how to diagnose a fuel pump primary circuit malfunction at home usi…
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Tech Center & Insights
Understanding and Resolving OBD-II Error Code P0507
Learn what OBD-II code P0507 means, symptoms, causes, and how to fix high idle RPM. Discover how CR MAX Idle Control Cleaner help…
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Tech Center & Insights
Demystifying the P0443 Error Code
Learn what OBD-II code P0443 means, its causes, and repair steps. Discover how the iCarsoft CR MAX helps diagnose EVAP purge valv…
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Tech Center & Insights
Understanding OBD-II Code P0406
Learn what OBD-II code P0406 means, its symptoms, and how to fix it. Diagnose EGR sensor A circuit high issues easily using the p…
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Tech Center & Insights
Understanding OBD-II Code P0306
Learn what OBD-II code P0306 means, its symptoms, causes, and how to fix a cylinder 6 misfire. Discover diagnostic tips and solut…
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Tech Center & Insights
Demystifying the P0135 Error Code
Learn how to diagnose and repair OBD-II P0135 (Bank 1 Sensor 1) using iCarsoft CR MAX. Fix O2 sensor heater issues quickly for be…
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Tech Center & Insights
Clear P0104 with iCarsoft CR MAX
Fix P0104 (MAF Sensor Circuit Intermittent/Erratic) with iCarsoft CR MAX. Use extended data logging, waveform analysis & circuit …
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Tech Center & Insights
How to Diagnose & Clear P0237 with iCarsoft CR MAX: Fix Turbo Boost Sensor Low Circuit Faults
Fix P0237 (Turbo/Supercharger Boost Sensor 'A' Circuit Low) with iCarsoft CR MAX. Monitor actual vs. target boost, detect leaks, …
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Tech Center & Insights
P1556-P1557 with iCarsoft CR Eagle: Fix Throttle Actuator Control Issues
Fix P1556 (Throttle Actuator Control Circuit High) & P1557 (Circuit Low) with iCarsoft CR Eagle. Test actuator response, check TA…
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How to Diagnose & Clear P0562 with iCarsoft CR Eagle: Fix System Voltage Low Issues
Fix P0562 (System Voltage Low) with iCarsoft CR Eagle. Test battery health/alternator output, detect parasitic drains, check term…
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Tech Center & Insights
How to Diagnose & Clear P0341 with iCarsoft CR Eagle: Fix Camshaft Sensor Range/Performance Faults
Learn how to diagnose and clear P0341 (Camshaft Position Sensor 'A' Circuit Range/Performance) using iCarsoft CR Eagle. Analyze w…
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Tech Center & Insights
Clear P0340 Code: Fix Camshaft-Crankshaft Sync Issues with iCarsoft CR Eagle Diagnostics
Fix P0340 (Camshaft Position Sensor 'A' Circuit Malfunction) with iCarsoft CR Eagle. Test sensor signals/waveforms, check cam-cra…
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