B2178 Peugeot 405 OBD Code

OBD/2 B2178 error code description and symptoms.

Brake Switch Circuit Input Malfunction Indicates PCM did not receive a brake pedal position (BPP) input. Open or short in BPP circuit Open or short in stoplamp circuits Damaged PCM Malfunction in module(s) connected to BPP circuit. (Rear Electronic Module [REM] Windstar and LS6/LS8 or Lighting Control Module (LCM) Continental and Town Car. Damaged brake switch Misadjusted brake switch Check for proper function of stoplamps.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

B2178 Peugeot 405 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B2178 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If b2178 window driver rear remote down switch short to battery so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the b2178 window driver rear remote down switch short to battery.

Common Causes of Peugeot 405 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 ;

Failures of clutch motion/travel sensors.
Clogged or faulty fuel injector (s)
Fuel filler cap remains open or fails to close
Exhaust gas leaks

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 405 OBD Code

B2178 Peugeot 405 Error Code Repair Process :

Common Causes of Peugeot 405 B2178 OBD2 Code

B2178 code for other Peugeot cars