A9b7 Peugeot | 2K — 8K |

Typically results in a "Crank but No Start" condition, as the ignition positive signal is critical for powering essential engine management components. 2. Symptom Analysis Engine Non-Start:

If freeze frame data shows voltage below 11.5V, replace the battery. Even if the car starts, a weak battery creates CAN errors. Use a VARTA or Yuasa battery rated for Start-Stop systems (EFB or AGM). a9b7 peugeot

The code in the context of Peugeot vehicles refers specifically to a diagnostic fault code (DTC) that indicates an issue with the ignition system's power relay. Technical Definition of Fault A9B7 Typically results in a "Crank but No Start"

Disconnect the negative battery terminal for 15 minutes. a9b7 peugeot