B2159 Diagnostic Trouble Code

B2159 is a kind of OBD-II Diagnostic B-Body Diagnostic Trouble Code.

It is considered generic because it applies to all makes and models of vehicles, although specific repair steps may be different depending on your car model.

Symptoms

Symptoms of a B2159 diagnostic trouble code may include:

Engine surge
Blown fuse (if applicable)
Lack of power
Rich or lean exhaust

Possible Causes :

Faulty IMRC actuator relay (if equipped)
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground.

Process Tips

Diagnostic trouble code B2159 is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before B2159.

Fortunately, B2159 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B2159 Trouble Code For Specific Cars

B2159 Suzuki Sc100 Mirror Driver Left Circuit Open
B2159 Renault Twingo HO2S Heater Control Circuit High (Bank 2 Sensor 2)
B2159 Peugeot Escapade Emergency Power Off System Faulted
B2159 Dort Roadster Ignition Tamper Circuit Short To Battery
B2159 Holden Vn Pressure Control Solenoid "A" Open Circuit
B2159 Ram 1500 Fuel Temperature Sensor A Circuit Performance
B2159 Vignale 1500 RADIO PRESENT SWITCH Ckt Failure