U0101 Code: Lost Communication With TCM
Today’s vehicles utilize complex networks of modules and sensors, enabling efficient operation. However, if communication is …
Engine Codes
P0123 Code: Throttle/Pedal Position Sensor/Switch “A” Circuit High Input
We depend on our vehicles, but problems inevitably occur. Modern cars identify issues through diagnostic …
P0523 Code: Engine Oil Pressure Sensor/Switch High
Today’s vehicles have self-diagnostic capabilities that generate trouble codes to identify issues. A P0523 code …
P0037 Code: Heated Oxygen Sensor (HO2S) Heater Control Circuit Low (Bank 1, Sensor 2)
Modern vehicles rely on sensors like oxygen sensors to optimize how things run. But when …
P0125 Code: Insufficient Coolant Temperature for Closed Loop Fuel Control
Few things can be more frustrating than having the dreaded Check Engine Light (CEL) illuminate …
P0403 Code: Exhaust Gas Recirculation “A” Control Circuit
When you start up your vehicle the last thing you want to see is a …
U0001 Code: High Speed CAN Communication Bus
While most engine lights come on randomly as various components give out, chances are if …
P0140 Code: O2 Sensor Circuit – No Activity Detected
When you start up your vehicle and start driving down the road the last thing …
P0201 Code: Injector Circuit/Open – Cylinder #1
Firing on all cylinders, a properly running engine achieves peak efficiency. But when fuel faults …
P0110 Code: Intake Air Temperature Circuit Malfunction
Today’s sophisticated engines rely on air temperature sensor data for intake calculations. Faulty readings from …
P0705 Code: Transmission Range Sensor Circuit Malfunction (PRNDL input)
Check engine lights alert us to issues through fault codes. P0705 indicates a transmission range …
P2101 Code: Throttle Actuator “A” Control Motor Circuit Range/Performance
Nobody wants to see a check engine light on the dashboard when they start their …