About: Randy Worner

Randy Worner
ASE Master Tech

Codes by Randy Worner:

P Codes
Trouble Code Fault Location Probable Cause
P0411 Secondary air injection (AIR) system -incorrect flow detected AIR pump, AIR valve, AIR hose(s)
P1 Codes
Trouble Code Fault Location
P1131Lack Of HO2S Switch - Sensor Indicates Lean (Ford, Lincoln, Mazda, Mercury) Swirl Control Valve Control Solenoid Valve (Infiniti, Nissan) Injection Quantity Adjust (Hyundai)
P1135Pedal Position Sensor A Circuit Intermittent (Ford) Air/Fuel Ratio Sensor Heater Circuit Malfunction Bank 1 Sensor 1 (Lexus, Scion, Toyota)
P1345Crankshaft Position - Camshaft Position Correlation (Buick, Cadillac, Chevrolet, GM, Isuzu, Pontiac, Saturn) SGC (Cam Position) Sensor Circuit Malfunction Misfire Cylinder 2 With Fuel Cut-off (BMW) Variable Valve Timing Sensor Bank 1 Malfunction (Lexus, Toyota)
P1491Exhaust Gas Recirculation Valve Insufficient Lift (Acura, Honda, Isuzu) Secondary Switch Solenoid Circuit Malfunction (Ford) EVAP Canister Purge Regulator Valve 2 Open Circuit (Audi/VW) Radiator Fan Relay Circuit Condition (Dodge/Chrysler/Jeep) Vacuum Cut Valve Bypass Valve (Nissan/Infiniti) A/C System Pressure Too High (M-B) PCV Function Problem (Subaru). Evaporative Emission Pressure Sensor / Fuel Tank Level Sensor In Fuel Tank - Range / Performance (Saab).
P1516Throttle Actuator Control Module / Throttle Actuator Position Performance (Buick, CHevrolet, GM, Hummer, Saturn) IMRC Input Error Bank 1 (Ford / Lincoln / Mercury) Oil Temp Sensor Low (Hyundai). Idle Air Control Solenoid Valve Signal 4 Circuit Low Input (Subaru). Park/Neutral Position Switch Gear Change Neutral/Drive (Jaguar). Intake Manifold Changeover Valve (Audi/VW)
P2 Codes
Trouble Code Fault Location Probable Cause
P20BAReductant heater control A - circuit performance problemWiring, reductant heater, ECM
P2101Throttle actuator control (TAC) motor - range/performance problemWiring, TAC motor
P2110Throttle actuator control (TAC) system - forced limited rpm mode / Heated oxygen sensor (H02S) 1, bank 1 - implausible signalWiring, TAC motor, APP sensor, ECM / Wiring, short to positive, short to ground, H025, ECM
P2111Throttle actuator control (TAC) system- actuator stuck open Throttle body, throttle valve tight/sticking
P242FDiesel particulate filter (DPF) - restriction/ash accumulationDPF
P2433Secondary air injection (AIR) system, air flow/pressure sensor, bank 1 - circuit highWiring short to positive, air flow/pressure sensor
P2762Torque converter clutch {TCC) pressure control solenoid - range/performance problemWiring, TCC pressure control solenoid
U Codes
Trouble Code Fault Location
U0001Controller area network (CAN) data bus: high speed bus/communication control module
U0100Data bus: engine control module (ECM) A - no communication