Hardware Model Specification

Autel Diagnostics MaxiSys MS906 Pro Diagnostics

Classification: Automotive Diagnostics & OBD Scanners Equipment

Hardware operational fault codes, protection alarms, LED blink sequences, and step-by-step diagnostic fixes for the Autel Diagnostics MaxiSys MS906 Pro.

2 Documented Faults • Full Multimeter & Safety Isolation Procedures

Indexed Fault Codes for MaxiSys MS906 Pro

Step-by-step resolution manuals and root cause matrices

2 Codes

CODE P0420 Severity: Medium Difficulty: Intermediate

Catalytic Converter Bank 1 Inefficiency

The ECM/PCM has detected that Bank 1 catalytic converter oxygen storage capacity has degraded below the calibrated emissions threshold. Downstream O2 sensor (Sensor 2) voltage switching frequency mirrors upstream O2 sensor (Sensor 1) switching, indicating compromised exhaust reduction.

⏱ 45-90 Mins Troubleshoot Now →

CODE Error 02 Severity: High Difficulty: Intermediate

VCI Bluetooth Drops Error 02

Error 02 indicates a persistent packet drop or baud-rate desynchronization between the MaxiVCI V200 interface and the tablet's Bluetooth baseband processor, typically induced by vehicle DLC bus contention, low battery terminal voltage (<11.8V), or corrupted VCI transceiver firmware.

⏱ 20-30 Mins Troubleshoot Now →