Transmission Control Module (TCM) Transmission Diagnostic Trouble Codes - 2 Of 7

• TCM-001F: Vehicle Speed Sensor (VSS). Signal Missing. Intermittent Fault (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
    • Signal missing
      • Intermittent fault
    • Information
      • Fault-tracing information
• TCM-001F: Vehicle Speed Sensor (VSS). Signal Missing. Intermittent Fault (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
    • Signal missing
      • Intermittent fault
    • Information
      • Fault-tracing information
• TCM-001F: Vehicle Speed Sensor (VSS). Signal Missing. Intermittent Fault (Aw55-50/51SN; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
• TCM-001F: Vehicle Speed Sensor (VSS). Signal Missing. Permanent Fault (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
    • Signal missing
      • Checking the vehicle speed sensor (VSS) signal
      • Checking wiring and sensors
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-001F: Vehicle Speed Sensor (VSS). Signal Missing. Permanent Fault (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
    • Signal missing
      • Checking the vehicle speed sensor (VSS) signal
      • Checking wiring and sensors
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-001F: Vehicle Speed Sensor (VSS). Signal Missing. Permanent Fault (Aw55-50/51SN; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
• TCM-0020: Transmission Speed Sensor, Output Speed Faulty Signal (B5254T4, TF-80SC AWD; 2006-2007)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• TCM-0020: Transmission Output Speed Sensor, Faulty Signal. Intermittent Fault (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
    • Faulty signal
      • Intermittent fault
    • Information
      • Fault-tracing information
• TCM-0020: Transmission Output Speed Sensor. Faulty Signal. Intermittent Fault (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
    • Faulty signal
      • Intermittent fault
    • Information
      • Fault-tracing information
• TCM-0020: Transmission Output Speed Sensor. Faulty Signal. Intermittent Fault (Aw55-50/51SN; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
• TCM-0020: Transmission Output Speed Sensor. Faulty Signal. Permanent Fault (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
    • Faulty signal
      • Checking the transmission output speed sensor signal
      • Checking wiring and sensors
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-0020: Transmission Output Speed Sensor. Faulty Signal. Permanent Fault (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
    • Faulty signal
      • Checking the transmission output speed sensor signal
      • Checking wiring and sensors
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-0020: Transmission Output Speed Sensor. Faulty Signal. Permanent Fault (Aw55-50/51SN; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
• TCM-0022: Transmission Speed Sensor, Input Speed. Signal Missing (B5254T4, TF-80SC AWD; 2006-2007)
  • Diagnostic trouble code (DTC) information
  • Fault tracing
    • Fault tracing
      • Checking the function
      • Checking wiring and sensors
      • Resetting adaptation and the fluid quality counter
      • Verification
      • Fault-tracing information
    • Resetting adaptation
      • Resetting adaptation and counter for "Transmission oil, changing"
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-0023: Transmission Speed Sensor, Input Speed. Signal Missing (B5254T4, TF-80SC AWD; 2006-2007)
  • Fault tracing
  • Fault-tracing information
• TCM-0023: Transmission Input Speed Sensor. Signal Missing. Intermittent Fault (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
    • Signal missing
      • Intermittent fault
    • Information
      • Fault-tracing information
• TCM-0023: Transmission Input Speed Sensor. Signal Missing. Intermittent Fault (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
    • Signal missing
      • Intermittent fault
    • Information
      • Fault-tracing information
• TCM-0023: Transmission Input Speed Sensor. Signal Missing. Intermittent Fault (Aw55-50/51SN; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
• TCM-0023: Transmission Input Speed Sensor. Signal Missing. Permanent Fault (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
    • Signal missing
      • Checking the transmission input speed sensor signal
      • Checking wiring and sensors
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-0023: Transmission Input Speed Sensor. Signal Missing. Permanent Fault (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
    • Signal missing
      • Checking the transmission input speed sensor signal
      • Checking wiring and sensors
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-0023: Transmission Input Speed Sensor. Signal Missing. Permanent Fault (Aw55-50/51SN; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
• TCM-0024: Transmission Speed Sensor, Input Speed. Faulty Signal (B5254T4, TF-80SC AWD; 2006-2007)
  • Diagnostic trouble code (DTC) information
  • Fault tracing
• TCM-0024: Transmission Input Speed Sensor. Faulty Signal. Intermittent Fault (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
    • Faulty signal
      • Intermittent fault
    • Information
      • Fault-tracing information
• TCM-0024: Transmission Input Speed Sensor. Faulty Signal. Intermittent Fault (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
    • Faulty signal
      • Intermittent fault
    • Information
      • Fault-tracing information
• TCM-0024: Transmission Input Speed Sensor. Faulty Signal. Intermittent Fault (Aw55-50/51SN; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
• TCM-0024: Transmission Input Speed Sensor. Faulty Signal. Permanent Fault (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
    • Faulty signal
      • Checking the transmission input speed sensor signal
      • Checking wiring and sensors
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-0024: Transmission Input Speed Sensor. Faulty Signal. Permanent Fault (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
    • Faulty signal
      • Checking the transmission input speed sensor signal
      • Checking wiring and sensors
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-0024: Transmission Input Speed Sensor. Faulty Signal. Permanent Fault (Aw55-50/51SN; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
• TCM-0026: Final Gear. Incorrect Gear Ratio (B5254T4, TF-80SC AWD; 2006-2007)
  • Diagnostic trouble code (DTC) information
  • Fault tracing
    • Fault-tracing information
• TCM-0027: Reverse Gear. Incorrect Gear Ratio (B5254T4, TF-80SC AWD; 2006-2007)
  • Diagnostic trouble code (DTC) information
  • Fault tracing
    • Fault-tracing information
      • Checking the gear system
    • Checks
      • Checking solenoids
      • Checking oil quality and oil level in transmission
      • Checking the wiring and component
      • Replacing the transmission
    • Resetting adaptation
      • Resetting adaptation and counter for "Transmission oil, changing"
    • Verification
      • Verification
    • Information
      • Fault-tracing information
    • Fault tracing
      • Checking the gear system
      • Checking solenoids
      • Checking oil quality and oil level in transmission
      • Checking the wiring and component
      • Replacing the transmission
      • Resetting adaptation and the fluid quality counter
      • Verification
      • Fault-tracing information
• TCM-0027: Back-Up (Reverse) Gear. Incorrect Gear Ratio (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
    • Incorrect gear ratio
      • Checking for contact resistance and oxidation
      • Checking the oil quality and the oil level in the transmission
      • Checking the adjustment of the gear-shift position sensor
      • Checking the transmission output speed sensor signal
      • Checking wiring and sensors
      • Checking the transmission input speed sensor signal
      • Replacing the transmission
      • Test driving the transmission
      • Replacing the transmission control system
      • Fault-tracing information
    • Resetting Transmission fluid change counter
      • Resetting Transmission fluid change counter
    • Resetting the adaptation
      • Resetting adaptation and the counter for "Transmission oil change"
    • Verification
      • Verification
    • Gear-shift position sensor, checking/adjusting
      • Notes
      • Removing engine compartment components
      • Remove the gearbox cable from the bracket and the lever. Move the cable to one side
      • Checking the setting
      • Adjusting the gear-shift position sensor
      • Installing the cable duct
      • Installing the gear selector cable
      • Installing engine compartment components
      • Checking the diagnostic trouble codes (DTCs)
• TCM-0027: Back-Up (Reverse) Gear. Incorrect Gear Ratio (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
    • Checks
      • Checking for contact resistance and oxidation
      • Checking the oil quality and the oil level in the transmission
      • Checking the adjustment of the gear-shift position sensor
      • Checking the transmission output speed sensor signal
      • Checking wiring and sensors
      • Checking the transmission input speed sensor signal
      • Replacing the transmission
      • Test driving the transmission
      • Replacing the transmission control system
      • Fault-tracing information
    • Resetting Transmission fluid change counter
      • Resetting Transmission fluid change counter
    • Resetting the adaptation
      • Resetting adaptation and the counter for "Transmission oil change"
    • Verification
      • Verification
• TCM-0027: Back-Up (Reverse) Gear. Incorrect Gear Ratio (Aw55-50/51SN; 2001)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
• TCM-0027: Back-Up (Reverse) Gear. Incorrect Gear Ratio (B5234T3, Aw55-50/51SN; 5244S, Aw55-50/51SN; 5244T3, Aw55-50/51SN; 2002)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
• TCM-0028: 1ST Gear. Incorrect Gear Ratio (B5254T4, TF-80SC AWD; 2006-2007)
  • Diagnostic trouble code (DTC) information
  • Fault tracing
• TCM-0028: 1ST Gear. Incorrect Gear Ratio (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
    • Incorrect gear ratio
      • Checking the control module and transmission version
      • Ordering software
      • Programming the control module
      • Checking the adjustment of the gear-shift position sensor
      • Checking noise in the transmission
      • Checking for contact resistance and oxidation
      • Replacing the transmission
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-0028: 1ST Gear. Incorrect Gear Ratio (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
    • Incorrect gear ratio
      • Checking the adjustment of the gear-shift position sensor
      • Checking the quality and level of transmission fluid
      • Checking for contact resistance and oxidation
      • Checking noise in the gearbox
      • Replacing the control system/transmission
      • Replacing the gearbox
    • Resetting the adaptation
      • Resetting adaptation and the counter for "Transmission oil change"
    • Verification
      • Verification
    • Information
      • Fault-tracing information
    • Test drive schedule, description
• TCM-0028: 1ST Gear. Incorrect Gear Ratio (Aw55-50/51SN; 2001)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
• TCM-0028: 1ST Gear. Incorrect Gear Ratio (B5234T3, Aw55-50/51SN; 5244S, Aw55-50/51SN; 5244T3, Aw55-50/51SN; 2002)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
• TCM-0029: 2ND Gear. Incorrect Gear Ratio (B5254T4, TF-80SC AWD; 2006-2007)
  • Diagnostic trouble code (DTC) information
  • Fault tracing
• TCM-0029: 2ND Gear. Incorrect Gear Ratio (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
    • Incorrect gear ratio
      • Checking the adjustment of the gear-shift position sensor
      • Checking noise in the transmission
      • Checking for contact resistance and oxidation
      • Replacing the transmission
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-0029: 2ND Gear. Incorrect Gear Ratio (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
    • Incorrect gear ratio
      • Checking the control module and transmission version
      • Ordering software
      • Programming the control module
      • Checking the adjustment of the gear-shift position sensor
      • Checking noise in the transmission
      • Checking for contact resistance and oxidation
      • Replacing the transmission
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-0029: 2ND Gear. Incorrect Gear Ratio (Aw55-50/51SN; 2001)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
• TCM-0029: 2ND Gear. Incorrect Gear Ratio (B5234T3, Aw55-50/51SN; 5244S, Aw55-50/51SN; 5244T3, Aw55-50/51SN; 2002)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
• TCM-002A: 3RD Gear. Incorrect Gear Ratio (B5254T4, TF-80SC AWD; 2006-2007)
  • Diagnostic trouble code (DTC) information
  • Fault tracing
• TCM-002A: 3RD Gear. Incorrect Gear Ratio (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
    • Incorrect gear ratio
      • Checking the adjustment of the gear-shift position sensor
      • Checking noise in the transmission
      • Checking for contact resistance and oxidation
      • Replacing the transmission
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-002A: 3RD Gear. Incorrect Gear Ratio (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
    • Incorrect gear ratio
      • Checking the control module and transmission version
      • Ordering software
      • Programming the control module
      • Checking the adjustment of the gear-shift position sensor
      • Checking noise in the transmission
      • Checking for contact resistance and oxidation
      • Replacing the transmission
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-002A: 3RD Gear. Incorrect Gear Ratio (Aw55-50/51SN; 2001)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
• TCM-002A: 3RD Gear. Incorrect Gear Ratio (B5234T3, Aw55-50/51SN; 5244S, Aw55-50/51SN; 5244T3, Aw55-50/51SN; 2002)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
• TCM-002B: 4TH Gear. Incorrect Gear Ratio (B5254T4, TF-80SC AWD; 2006-2007)
  • Diagnostic trouble code (DTC) information
  • Fault tracing
• TCM-002B: 4TH Gear. Incorrect Gear Ratio (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
    • Incorrect gear ratio
      • Checking the adjustment of the gear-shift position sensor
      • Checking noise in the transmission
      • Checking for contact resistance and oxidation
      • Replacing the transmission
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-002B: 4TH Gear. Incorrect Gear Ratio (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
    • Incorrect gear ratio
      • Checking the control module and transmission version
      • Ordering software
      • Programming the control module
      • Checking the adjustment of the gear-shift position sensor
      • Checking noise in the transmission
      • Checking for contact resistance and oxidation
      • Replacing the transmission
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-002B: 4TH Gear. Incorrect Gear Ratio (Aw55-50/51SN; 2001)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
• TCM-002B: 4TH Gear. Incorrect Gear Ratio (B5234T3, Aw55-50/51SN; 5244S, Aw55-50/51SN; 5244T3, Aw55-50/51SN; 2002)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
• TCM-002C: 5TH Gear. Incorrect Gear Ratio (B5254T4, TF-80SC AWD; 2006-2007)
  • Diagnostic trouble code (DTC) information
  • Fault tracing
• TCM-002C: 5TH Gear. Incorrect Gear Ratio (Aw50/51 AWD; 2002)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
    • Incorrect gear ratio
      • Checking the control module and transmission version
      • Ordering software
      • Programming the control module
      • Checking the adjustment of the gear-shift position sensor
      • Checking noise in the transmission
      • Checking for contact resistance and oxidation
      • Replacing the transmission
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-002C: 5TH Gear. Incorrect Gear Ratio (Aw50/51 AWD; W55-50/51SN; 2003-2009)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
    • Incorrect gear ratio
      • Checking the adjustment of the gear-shift position sensor
      • Checking noise in the transmission
      • Checking for contact resistance and oxidation
      • Replacing the transmission
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-002C: 5TH Gear. Incorrect Gear Ratio (Aw55-50/51SN; 2001)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
• TCM-002C: 5TH Gear. Incorrect Gear Ratio (B5234T3, Aw55-50/51SN; 5244S, Aw55-50/51SN; 5244T3, Aw55-50/51SN; 2002)
  • Diagnostic trouble code (DTC) information
  • Incorrect gear ratio
• TCM-002D: 6TH Gear. Incorrect Gear Ratio (B5254T4, TF-80SC AWD; 2006-2007)
  • Diagnostic trouble code (DTC) information
  • Fault tracing
• TCM-002E: Lock-Up. The Transmission Jerks When Lock-Up Engages (Aw50/51 AWD; 2002-2009)
  • Diagnostic trouble code (DTC) information
  • The-gearbox: jerks when lock-up engages
    • Checks
      • Checking for the fault
      • Checking oil quality and oil level in transmission
      • Checking the cooling system
      • Replacing the gearbox
      • Checking software
      • Fault-tracing without result
      • Replacing the torque converter
      • Test driving the transmission
    • Resetting Transmission fluid change counter
      • Resetting Transmission fluid change counter
    • Resetting the adaptation
      • Resetting adaptation and the counter for "Transmission oil change"
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-002E: Lock-Up. The Transmission Jerks When Lock-Up Engages (Aw55-50/51SN; 2001-2009)
  • Diagnostic trouble code (DTC) information
  • The-gearbox: jerks when lock-up engages
• TCM-002F: Lock-Up Function. Slipping Or Not Engaged (Aw50/51 AWD; 2002)
  • Diagnostic trouble code information
  • Slipping or not engaged
    • Checks
      • Checking the oil quality and the oil level in the transmission
      • Checking for contact resistance and oxidation
      • Replacing the transmission
    • Resetting the adaptation
      • Resetting adaptation and the counter for "Transmission oil change"
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-002F: Lock-Up Function. Slipping Or Not Engaged (Aw50/51 AWD; 2003-2009)
  • Diagnostic trouble code information
  • Slipping or not engaged
    • Checks
      • Checking the oil quality and the oil level in the transmission
      • Checking for contact resistance and oxidation
      • Replacing the transmission
      • Replacing the transmission control system
      • Checking the cooling system
      • Checking software
      • Replacing automatic transmissions
      • Test driving the transmission
    • Resetting Transmission fluid change counter
      • Resetting Transmission fluid change counter
    • Resetting the adaptation
      • Resetting adaptation and the counter for "Transmission oil change"
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• TCM-002F: Lock-Up Function. Slipping Or Not Engaged (Aw55-50/51SN; 2001)
  • Diagnostic trouble code information
  • Slipping or not engaged
• TCM-002F: Lock-Up Function. Slipping Or Not Engaged (Aw55-50/51SN; 2003-2009)
  • Diagnostic trouble code information
  • Slipping or not engaged