Jeep owners may encounter the code P258B “Electric Vacuum Pump Performance”. This code can be generated when the Electric Vacuum Pump (EVP) system installed in Jeep vehicles is not performing as intended. The EVP system is connected to the engine and the brake booster through a series of hoses and one-way flow check valves. It
Jeep Code P0420 is a code the vehicle’s computer generates when it detects that the catalytic converter on the engine is not functioning as efficiently as it should. This can be caused by various factors, ranging from an oxygen sensor malfunction to an exhaust leak or even an aged catalytic converter. While many of the
Jeep owners who encounter the code P2302 may be feeling a bit overwhelmed. This code indicates an issue with the ignition coil 1 secondary circuit, which is responsible for creating a spark that powers the engine. The Powertrain Control Module (PCM) manages the process of creating this spark, and when it is not working correctly,
If you own a Jeep, you may have heard of the Jeep code P0507, “Idle Speed Performance Higher Than Expected”. This code is used to alert owners of potential problems with their car’s powertrain control module (PCM) and is a critical issue that should be addressed promptly. The code is triggered when the PCM fails
The Jeep Code U1134 is an issue that affects the vehicle’s powertrain control module. This code indicates that the Powertrain Control Module (PCM) has either not received a Stop/Start bus message or an implausible bus message from the Body Control Module (BCM). This issue can have many potential causes, ranging from wiring issues with the
Jeep Code C1014 is a common diagnostic trouble code associated with LEFT FRONT WHEEL SPEED COMPARATIVE PERFORMANCE. This code is triggered when the Anti-Lock Brake Module compares Wheel Speed Sensor (WSS) readings from side-to-side on an axle and front to rear. The code can be activated when a vehicle travels above 40 km/h (25 mph).
Jeep Code P0426 is a diagnostic code that is triggered when the Powertrain Control Module (PCM) detects an issue with the Catalyst Temperature Sensor Circuit Performance. This code is often the result of the Exhaust Gas Temperature Catalyst Sensor being damaged or malfunctioning. It is a 2-trip fault that causes the MIL lamp to illuminate
Jeep owners have likely encountered the dreaded code P1051: Intake Valve Control Solenoid 1 Circuit Low. This code indicates an issue with the Variable Valve Lift (VVL) Solenoids that control the operation of the Intake Rocker Arms for all six cylinders. A variety of causes can lead to this issue, ranging from a control circuit
Jeep Code C1032 is a common issue that several issues can cause. This code relates to the Right Rear Wheel Speed Sensor Signal’s erratic performance. This could be caused by the wheel speed sensor being loose, a tone wheel being damaged, or the wheel bearing being damaged. It could also be caused by axle shaft
Jeep owners everywhere should be aware of the Jeep Code P0349. It describes a Camshaft Position (CMP) Sensor that detects changes in the magnetic field. Several factors, including engine oil level, engine oil aeration, incorrect engine oil filter, and insufficient oil pressure, can cause these changes. The PCM decodes the tooth pattern to identify the
When you are driving your Jeep, and you are presented with the code P2121, it indicates an issue with the accelerator pedal position sensor performance. This code is generated when the ignition is on, and the APP Sensor #1 and APP Sensor #2 signals do not agree. This code can be caused by various issues,