The Peugeot 207 (chassis code A9), specifically models like the 207 GT, features a panoramic glass roof that extends over the front and rear seats, providing a bright and airy interior feel.
When you plug a diagnostic tool into a modern Peugeot—such as a 308, 5008, or Partner—and see the code A9B7, it indicates a specific electrical issue related to the ignition system. This code, often accompanied by warnings like "Engine repair needed" or "Emission control fault," is generally defined as a "Fault in the ignition positive relay (+APC) or in the output harness from the relay: Short circuit to positive". a9b7 peugeot
Description: Fault in the ignition positive relay (+APC) or in the output harness from the relay. The Peugeot 207 (chassis code A9) , specifically
To confirm if the fix worked, you will need an OBD2 diagnostic scanner (such as Diagbox for Peugeot) to clear the fault codes. Description : Fault in the ignition positive relay
Non-starting: If the relay fails to provide ignition power (+APC), the engine may crank but not fire, or refuse to crank entirely.
If you are drafting a technical report or troubleshooting this fault:
If you have persistent issues after trying all the steps above, seek out a PSA specialist. But for the vast majority of owners, the information in this guide—from the BSI reset to the HVAC replacement—will banish the A9B7 code for good.