TM 10-3930-675-100011 00-5TROUBLESHOOTING PROCEDURES - CONTINUED0011 00Table 1. Troubleshooting Procedures - Continued.ERRATIC OR NO STEERING CONTROLSYMPTOMSteering system not responding to steering wheel movement.MALFUNCTIONEnsure vehicle is in 2-wheel steer.CORRECTIVE ACTIONPlace vehicle in 2-wheel steer. Recheck steering.Hydraulic system oil level is low.CORRECTIVE ACTIONIf hydraulic system reservoir oil level is low, add oil as required (Before PMCS, WP 0013 00).ECS display screen indicates steering system fault code(s).CORRECTIVE ACTIONShut down engine and restart. If failure persists, notify Organizational Mainte-nance.Steering system not responding to two, four or crab steering selection modes.ECS display screen indicates steering system fault code(s).CORRECTIVE ACTIONShut down engine and restart. If failure persists, notify Organizational Mainte-nance.POOR OR ERRATIC BRAKING CONTROLSYMPTOMBrakes will not hold truck and/or brakes operate erratically.MALFUNCTIONThere are obstructions or trash building under brake pedal.CORRECTIVE ACTIONRemove obstructions or trash.ECS display screen indicates brake system fault code(s).CORRECTIVE ACTIONShut down engine and restart. If failure persists, notify Organizational Mainte-nance.Parking brake will not hold truck.CORRECTIVE ACTIONChock vehicles wheels. Notify Organizational Maintenance.
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