Tech Center & Insights
OBD-II fault-code references, repair walk-throughs and field-tested troubleshooting from the iCarsoft engineering team and our partner technicians.
Recent news
836 articles

P02E9 Code Fix
OBD-II Code P02E9 = Diesel Intake Air Flow Sensor Circuit High. Diagnose/clear with iCarsoft CR MAX BT—restore diesel power, cut fuel costs & repair fees!

P018D Code Fix
OBD-II Code P018D means Fuel Pressure Sensor B has a high-voltage signal. Diagnose & clear with iCarsoft CR Eagle—fix MPG loss, misfires & avoid costly fuel system repairs!

What’s P2764 code?
What’s P2764 code? It’s a TCC pressure control solenoid circuit malfunction. Diagnose, troubleshoot & clear it easily with iCarsoft CR Ultra P—save on mechanic bills for 1996+ vehicles!

P0986 Code
Learn everything about the P0986 Shift Solenoid E Control Circuit High code—causes, symptoms, and how to diagnose & clear it with the iCarsoft CR Max P for DIYers and mechanics!

P2430 Code
Learn everything about P2430 SAI System Out-of-Range Signal – causes, symptoms, & how to diagnose with OE-level iCarsoft CR Eagle P!

P0661 Code Fix
OBD-II Code P0661 = Intake Manifold Tuning Valve Control Circuit Low (Bank1). Diagnose/clear with iCarsoft CR MAX BT—restore low-end torque, boost fuel efficiency, cut costly repair fees!

P3401 Code Fix
OBD-II Code P3401 means an open circuit in Cylinder 1’s deactivation/intake valve control. Diagnose & clear with iCarsoft CR Eagle—restore fuel efficiency & fix rough idle!

P0196 Fault Code
P0196 means EOT sensor circuit range/performance problems. Diagnose, troubleshoot & clear it fast with iCarsoft CR Ultra P—save on mechanic bills for 1996+ vehicles!

P0270 Code
Learn everything about P0270 Cylinder 4 Injector Circuit Low – causes, symptoms, & how to diagnose with OE-level iCarsoft CR Eagle P!

P2308 Code Fix
OBD-II Code P2308 = Ignition Coil C Secondary Circuit Malfunction. Diagnose/clear with iCarsoft CR MAX BT—pinpoint the fault, stop misfires, avoid costly catalytic converter damage!

P2073 Code Fix
OBD-II Code P2073 means a MAP/MAF/TPS data mismatch at idle (rough idle/stalling). Diagnose & clear the root cause with iCarsoft CR Eagle—restore smooth idle instantly!

P013A Fault Code
P013A means O2 Sensor (Bank 1, Sensor 1) slow response. Diagnose, troubleshoot & clear it fast with iCarsoft CR Ultra P—save on mechanic bills for 1996+ vehicles!

P07A3 Code Fix
OBD-II Code P07A3 means Transmission Friction Element A is stuck engaged (harsh shifts/overheating). Diagnose & clear with iCarsoft CR Eagle—avoid costly transmission rebuilds!

P2176 Fault Code
P2176 means "Throttle Actuator Idle Position Not Learned." Diagnose, calibrate & clear it fast with iCarsoft CR Ultra P—save big on mechanic bills for 1996+ vehicles!

OBD-II Code P023F
OBD-II Code P023F = Fuel Pump Secondary Circuit/Open. Diagnose/clear with iCarsoft CR MAX BT—restore fuel delivery, stop power loss, skip costly dealer repairs!

P208A Code Fix
OBD-II Code P208A (diesel-only) means a reductant pump circuit open—DEF/SCR system disabled, reduced power. Diagnose & clear with iCarsoft CR Eagle—avoid costly diesel repairs!

P257D Fault Code
P257D = GM Engine Hood Switch Circuit issue (Hood Open alert/5mph limit). Diagnose, troubleshoot & clear fast with iCarsoft CR Ultra P—save big on Silverado/Malibu dealership bills!

OBD-II Code P0AC4
OBD-II Code P0AC4 = Hybrid Powertrain Control Module Requested MIL Illumination. Diagnose with iCarsoft CR MAX BT—uncover hidden sub-faults, restore hybrid mode, avoid expensive dealer repairs!

P2510 Code Fix
OBD-II Code P2510 means ECM/PCM relay sense circuit signal issues (stalling, hard starting). Diagnose & clear with iCarsoft CR Eagle—avoid costly ECM repairs!

OBD-II Code P0026
OBD-II Code P0026 = Bank 1 Intake Valve Control Solenoid Circuit Range/Performance Issue. Diagnose/clear with iCarsoft CR MAX BT—fix VVT, boost acceleration, cut fuel use and dealer repair fees!

P0272 Code Fix
OBD-II Code P0272 means Cylinder 4 underperforms (rough idle, power loss). Diagnose & clear the root cause with iCarsoft CR Eagle—avoid costly engine repairs!

P2407 Fault Code
P2407 = EVAP Leak Detection Pump Sense Circuit Intermittent. Diagnose, clear fast & pass emissions with iCarsoft CR Ultra P—skip costly mechanic bills!

OBD-II Code P0572
OBD-II Code P0572 = Brake Switch 'A' Circuit Low. Diagnose/clear fast with iCarsoft CR MAX BT—fix brake lights, restore cruise control, resolve shift lock, skip costly dealer electrical repairs!

P0676 Code Fix
OBD-II Code P0676 (diesel-only) = Cylinder 6 glow plug circuit fault (hard cold starts, rough idle). Diagnose & clear with iCarsoft CR Eagle—avoid costly diesel repairs!
