Hold the key directly against this designated spot and press the Start/Stop button. If the car starts, your vehicle's low-frequency proximity antennas are at fault, or the key fob's internal active transmitter is dead. Step 3: Execute a Peugeot BSI Reset Procedure
When the B173D code becomes active, you will generally notice one or more of the following security and electrical symptoms: 1. The Engine Will Not Start
Are you currently , or did you just see this code during a scan?
Engine failure service code indicates everything is wrong in the car b173d peugeot
In Peugeot and Citroën (PSA Group) architecture, codes starting with "B" refer to the Body domain, which is managed primarily by the BSI module.
An invalid identifier fault can originate from the key itself, the reader component, or the wiring infrastructure linking the security units together. 1. Depleted Key Fob Battery
If you're dealing with this issue, here’s how I can help you narrow it down: using the fob button? Have you tried the spare key ? Is it a keyless-entry (start button) or slot-type ? Does the engine crank at all? Let me know, and I can give you more specific advice. BSI Intermittent faults - Peugeot Forums Hold the key directly against this designated spot
: A worn-out car battery can cause "phantom" faults across multiple systems, including the key recognition circuit. Troubleshooting Steps
The central locking possibly becoming unresponsive or intermittent [25]. Common "Characters" in the Problem
The most debilitating symptom is a . Because the immobilizer system cannot verify that an authorized key is present, the BSI blocks the engine control unit (ECU) from engaging the starter motor or supplying fuel to the cylinders. 2. "Key Not Detected" Warning Messages The Engine Will Not Start Are you currently
To help me tailor advice for your specific vehicle, what of Peugeot are you working on, and does it use a traditional physical turn-key or a push-button start ? Share public link
Models equipped with keyless entry or push-button start will display a distinct remote control error warning.
B173D Fault Code Definition & - The Automotive Technician