Actros Gs Fault Codes List |link|

| Code | Description | Common Fix | |------|-------------|-------------| | | GS-ECU power supply voltage too low | Check battery voltage, alternator, and fuse F46 (cab fuse box). | | 1008 | CAN bus communication timeout between GS and Engine (ECM) | Inspect CAN bus resistor (120 ohm), check for wiring chafing near transmission. | | 1013 | No communication with instrument cluster | Reprogram cluster or check CAN H/L lines on pin 6 & 14 of OBD port. | | 1021 | Relay for main power (K1) stuck | Replace relay in SAM/Power distribution box. |

Diagnostic Trouble Codes (DTCs) for Mercedes-Benz Actros (GS Transmission System) Vehicle Models: Actros MP4 (BR 963), Actros MP5 System: GS (Gear Shift) – Electronic Transmission Control actros gs fault codes list

From field experience, these five codes account for over 70% of breakdowns: | Code | Description | Common Fix |

These codes often appear when the truck struggles to shift up or down, often resulting in a "limp home" mode. | | 1021 | Relay for main power

The process is complete when a solid "N" remains on the display.