B2178 Peugeot 908 OBD Code

OBD/2 B2178 error code description and symptoms.

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 B2178, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code B2178 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

B2178 Peugeot 908 Error Code Repair Process :

The rule of B2178 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of b2178 window driver rear remote down switch short to battery. Likewise, overriding the OBD B2178 error in system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.

Common Causes of Peugeot 908 B2178 OBD2 Code

A common cause of code B2178 is the failure of B2178 Window Driver Rear Remote Down Switch Short to Battery, but there are several other possible causes as well, such as ;

Exhaust tube
EVAP canister or fuel tank leaks
Camshaft advance mechanism binding (VCT unit)
Three way catalyst converter Bank 1

B2178 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.

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

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B2178 Peugeot 908 OBD Code

B2178 Peugeot 908 Error Code Repair Process :

Common Causes of Peugeot 908 B2178 OBD2 Code

B2178 code for other Peugeot cars