02252
From Ross-Tech Wiki
02252 - Generator: No Signal/Communication
Possible Symptoms
- Start/Stop inoperative
- Charging system issues
Possible Causes
- Wiring and/or Connections from/to LIN alternator faulty
- Wiring and/or Connections from/to LIN battery monitoring module faulty
- Incorrect or malfunctioning alternator
Possible Solutions
- Check/Replace all wiring to/from the LIN components as per the Official Factory Repair Information
- Check installed alternator part number to confirm compatibility.
Special Notes
When found in a vehicle using a PQ25, BCM25 or BCM T5GP (such as the ones listed here) please see the following forum threads related to a notorious wiring issue: