B1401 Engine Error Code

When you check engine light came on code B1401 the reason should be . However your vehicle's manufacturer may have a different definition for the B1401 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on your car models.

B1401 Code Symptoms

B1401 OBD2 reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.

Brake Switch Out of Self-Test Range Indicates that during Key On Engine Off (KOEO) Self-Test, BPP signal was high. Or during Key On Engine Running (KOER) Self -Test, the BPP signal did not cycle high and low. 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 and Lighting Control Module (LCM) Continental and Town Car) Damaged Brake Switch Misadjusted Brake Switch Check for proper function of stoplamps. Follow correct Self-Test procedures, refer to Section 2, Quick Test.

B1401 OBD-II Diagnostic Body (B) Trouble Code Description B1401 Driver Power Window One Touch Window Relay Circuit Short To Ground so you have to check ODB-II Engine Error Code list. B1401 Code Review : The reason of B1401 OBD-II Engine Error Code is B1401 Driver Power Window One Touch Window Relay Circuit Short To Ground.

B1401 Code Dictionary Meaning:

b - Body Code - Problem is antilock brake system, electronic suspension and steering systems. 1 - MFG - Manufacturer Specific 4 - Fuel And Air Metering (Injector Circuit Malfunctions Only) 0 - Air Conditioning (A/C) Clutch Feedback Circuit High Voltage 1 - PCM Stack Overrun

How long can you drive with a B1401 code ?

If your vehicle is displaying a B1401 OBD2 error code but is still running and driving normally, it means that the issue might not be immediately critical or causing immediate harm to the vehicle. However, it's important to address the issue as soon as possible for several reasons:

• Potential for Worsening
• Decreased Fuel Efficiency
• Emissions Testing Compliance
• Risk of Further Damage
• Safety Concerns
• Legal Considerations