Power-assisted Steering Intermittently Not Available at Engine Start-up: This Service Information Bulletin (Revision 1) replaces SI B32 02 14 dated November 2016. The power-assisted steering is unavailable at start up/drive readiness. No communication with the Electric Power Steering (EPS). Possible fault codes: Fault code Text D356A5 message fault (display of the check control driving dynamics 02 D: Disp_CC_DRDY_02) Timeout D359BF message fault (actual steering torque of the driver actuator ID: AVL_STMOM_DV_ACT) Timeout D356B6 message fault (display of the check control driving dynamics 02 ID: DISP_CC_DRDY_02) - Alive 480AB8 internal status management of the complete monitoring range CDA451 FlexRay message (actual steering torque of the driver actuator 49.0.2): missing CDA452 FlexRay message (actual force of the rack 49.0.2): missing D35B26 message fault (actual position of the EPS ID: AVL_PO_EPS) - Timeout D355C4 message fault (status of the electrical steering front axle ID: ST_EST) - Timeout 48083B Peripheral/functional error on the engine control unit interface Actual steering angle of the front axle; signal temporarily invalid D35COC message fault (actual force of the rack ID: AVL_FORC_GRD) - Timeout. Electric Power Steering (EPS).
