Steering, Braking, And Backup Controller—A Box (TMA), (TSA), (XMA), and (XSA) Diagnostic Trouble Codes

TMA Diagnostic Trouble Codes

Diagnostic Trouble Code

Display

Solution

TMA 522271.18

Steering System

Hydraulic filter restricted. Replace filter. 

TMA 522836.5

Steering/Brake System

Open circuit on current driver 7. Check wiring harness. 

TSA 522271.18

Steering System

Hydraulic filter restricted. Replace filter. 

TSA 1504.14

Steering System

Operator out of seat. Guidance deactivated. Return to seated position. 

TSA 1504.31

Steering System

Operator out of seat. Return to seated position. 

XSC 1504.31

Steering System

Operator out of seat. Return to seated position. 

XSC 522390.11

Steering System

Full stop commanded. Guidance deactivated. 

XSC 522789.14

Steering/Brake System

Hydraulic oil is too cold. Warm oil and try again. 

XSC 523839.14

Brake System

Secondary brake lever engaged during startup. Allow secondary brake lever to return to off position. 

OURX935,0000240-19-20110303