B0788 Trouble Code

View B0788 obd/2 error code description and symptoms. B0788 engine photo

HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code B0788, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code B0788 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

B0788 Error Code Repair Process :

If your air bypass valve circuit malfunction check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system B0788 and engine control unit are in charge of monitoring a bunch of different air bypass valve circuit malfunction, and if they get a reading that's a little out of whack, up pops the check engine light.

B0788 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Common Causes of B0788

A common cause of code B0788 is the failure of Air Bypass Valve Circuit Malfunction, but there are several other possible causes as well, such as ;

Exhaust tube
Camshaft Position Sensor harness is open or shorted
Fuel tank leaking
Insufficient cylinders compression

B0788 code for all cars

You can view according B0788 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B0788 Mercedes A 160

+B0788 Peugeot 208 Ii

+B0788 Maserati 4

+B0788 Dodge Dart

+B0788 Fiat 1900

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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