Knowledge Hub
Decoded by engineers,
verified by technicians.
888 guides, repair insights and product knowledge from the iCarsoft Technical Team.
Tech Center & Insights
P0321 Code
Learn the causes, symptoms, and fixes for OBD-II P0321. Diagnose engine speed input problems with the advanced iCarsoft CR Eagle …
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Tech Center & Insights
Understanding and Addressing OBD-II Code P0106
Learn causes, symptoms, and fixes for OBD-II P0106 code. Diagnose accurately with iCarsoft CR Eagle, your professional tool for M…
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Tech Center & Insights
P0102 Code
Learn how to diagnose and fix OBD-II code P0102 with iCarsoft CR Eagle. Identify MAF sensor issues, wiring faults, and vacuum lea…
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Tech Center & Insights
Diagnose and Clear P1678-P1679
Fix P1678-P1679 (Immobilizer-ECM Communication/Authentication Errors) with iCarsoft CR Eagle. Test key fob signal/antenna, check …
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Tech Center & Insights
Diagnose and Clear P0683
Fix P0683 (ECM/PCM Power Relay Control Circuit Open) with iCarsoft CR Eagle. Test relay activation, check circuit voltage/continu…
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Tech Center & Insights
P0036 Code: O2 Sensor Heater Circuit (B1S2) Fix Guide
P0036 signals a fault in the downstream O2 sensor heater. Discover causes, symptoms, diagnosis steps, repair costs, and DIY fixes…
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Tech Center & Insights
Diagnose and Clear P0090
Fix P0090 (Fuel Pressure Regulator Control Circuit Malfunction) with iCarsoft CR Eagle. Test circuit voltage/continuity, actuate …
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Tech Center & Insights
Diagnose and Fix P0234
Fix P0234 (Turbocharger/Supercharger Overboost) with iCarsoft CR Eagle. Monitor live boost pressure, test solenoids/wastegates, i…
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Tech Center & Insights
Diagnose and Clear P0123
Resolve P0123 (Throttle Position Sensor High Voltage) with iCarsoft CR Eagle. Test TPS circuit voltage/resistance, check wiring/c…
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Tech Center & Insights
Diagnose and Clear U0100
Fix U0100 (Lost Communication with ECM/PCM) using iCarsoft CR Eagle. Analyze CAN bus network, test power/ground connections, chec…
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Tech Center & Insights
Diagnose and Clear P1296
Resolve P1296 (ECT Sensor Malfunction) with iCarsoft CR Eagle. Test sensor resistance, check circuit continuity, monitor live tem…
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Tech Center & Insights
U0401 Code: Invalid Data From ECM/PCM — Causes, Symptoms & Fix
U0401 means another control module is receiving data from the engine computer that fails plausibility checks — the ECM is talking…
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Tech Center & Insights
Understanding U0073: More Than a Glitch
Learn about U0073 code causes, symptoms, and fixes. Discover how iCarsoft CR Eagle helps diagnose and resolve control module comm…
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Tech Center & Insights
Understanding the P0136 Code
Learn what causes P0136 O₂ Sensor Circuit Bank 1 Sensor 2 faults, symptoms, and how the iCarsoft CR Ultra P scanner helps diagnos…
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Tech Center & Insights
Understanding OBD-II Code P0115
Learn what P0115 means, common symptoms, and how to fix it. Use the iCarsoft CR Ultra P to diagnose and clear coolant temperature…
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Tech Center & Insights
Understanding OBD-II Code P0103
Learn what P0103 means, common symptoms, causes, and step-by-step fixes. Discover how iCarsoft CR Eagle helps diagnose and clear …
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Tech Center & Insights
Diagnose and Clear P0351
Diagnose and clear P0351 (Ignition Coil A Circuit Malfunction) with iCarsoft CR Ultra P. Test circuit voltage/resistance, actuate…
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Tech Center & Insights
P0202 Code: Cylinder 2 Injector Circuit Open — Causes, Symptoms & Fix
P0202 means the ECU sees an open circuit on cylinder 2's fuel injector — that cylinder isn't getting fuel commands, so expect a d…
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Tech Center & Insights
Diagnose and Clear P0172
Diagnose and clear P0172 (System Too Rich Bank 1) with iCarsoft CR Ultra P. Track fuel trim via live data, test sensors/injectors…
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Tech Center & Insights
Detect & Clear P0101: Fix MAF Sensor Problems with iCarsoft CR Ultra P Like a Pro
Diagnose and clear P0101 (MAF Sensor Circuit Range/Performance) with iCarsoft CR Ultra P. Monitor live data, test sensor response…
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Tech Center & Insights
P0171 Code: System Too Lean (Bank 1) — Causes, Symptoms & Fix
P0171 means the engine is getting more air (or less fuel) than the computer expects on Bank 1 — vacuum leaks and dirty MAF sensor…
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Tech Center & Insights
Understanding the P0603 Code: Internal Control Module Keep Alive Memory (KAM) Error
Learn about P0603 Internal Control Module Keep Alive Memory errors, causes, symptoms, and solutions. Diagnose efficiently using i…
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Tech Center & Insights
Understanding and Diagnosing P0301: Cylinder 1 Misfire
Learn how to diagnose and fix P0301 cylinder 1 misfire. Use iCarsoft CR Ultra P for accurate scanning, real-time data, and reliab…
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Tech Center & Insights
P0235 Code: Turbo Boost Sensor A Circuit — Causes & Fix
P0235 means a turbo boost sensor A circuit fault. Learn the causes, symptoms, and how to test the sensor, leaks, and wiring with …
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