Fault diagnosis case of Shanghai Volkswagen Passat K line (K line)
  • Automotive

A 2003 Passat 1.8GLS ABS fault lights. VAG1552 is used to detect the ABS control unit address code 03. After the Q key is confirmed, the instrument shows "Kwirenotswitchingtopositive", indicating that the VAG1552 and ABS control unit can not establish communication. After testing other systems, it is found that all systems are in the same situation and can not be detected.