B1A10 Diagnostic Trouble Code

B1A10 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 B1A10 diagnostic trouble code may include:

Possible spark knock (detonation / pre-ignition)
Poor fuel economy
The engine oil will exhibit dilution from the ECUs attempts to increase engine temperature. Some vehicles advance the fuel injection timing slightly after top center to afterburn a small amount of fuel to increase exhaust temperatures. Some of this fuel enters the crankcase. When the ECU determines the necessity to regenerate the DPF, the service life of the oil be shortened significantly
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.

Possible Causes :

An air leak forward of the DPF will change the sensor readings resulting in the code
Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
Defective ECU strategies or components will prevent proper regeneration

Repair Processes :

If the scan tool has that capability, and the scan tool can operate the IMRC valves, then the problem is either resolved and a simple code clearing is all that's left or a new PCM would be called for. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code B1A10 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 B1A10.

Fortunately, B1A10 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

B1A10 Trouble Code For Specific Cars

B1A10 Dodge Aspen Ignition Coil B Primary/Secondary Circuit Malfunction
B1A10 Panhard Pl Driver Power Window Up Circuit Open
B1A10 Mg Rover Air Temperature External Sensor Circuit Failure
B1A10 Sbarro Issima Injection Pump Fuel Metering Control "A" Intermittent (Cam/Rotor/Injector)
B1A10 Mahindra M2dicr Traction Control Valve RF Circuit Failure
B1A10 Ecosse Signature Inductive Signature Chip Communication Error
B1A10 Talbot Rapier Mirror Passenger Left Circuit Failure