B3749 Trouble Code

View B3749 obd/2 error code description and symptoms. B3749 engine photo

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.

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

B3749 Error Code Repair Process :

If your eic switch-2 assembly circuit open 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 B3749 and engine control unit are in charge of monitoring a bunch of different eic switch-2 assembly circuit open, and if they get a reading that's a little out of whack, up pops the check engine light.

B3749 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 B3749

A common cause of code B3749 is the failure of EIC Switch-2 Assembly Circuit Open, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
EVAP system hose leaking
EVAP system hose leaking
Fuel injector leaks

B3749 code for all cars

You can view according B3749 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B3749 Peugeot 505

+B3749 Simca 6

+B3749 Alfa Romeo 179

+B3749 Toyota Iq

+B3749 Mosler Mt

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

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