Diagnostic Trouble Code (DTC) table

2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Diagnostic Trouble Code (DTC) table
WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, 2000 Volkswagen Cabrio, 1999 Volkswagen Jetta, and 1999 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • The following table lists all malfunctions, with the corresponding 5 digit code numbers, that can be recognized by the radio and printed out by the VAG 1551 Scan Tool (ST).
  • If malfunctions do not occur regularly, these are displayed as occurring sporadically ("SP").
  • DTC codes appear only on print-out.
  • DTC table may also include a description of the type of malfunction.
  • Before replacing components, check the wiring and connections to these components as well as ground connections, according to wiring diagram.
  • When a repair has been carried out, the Diagnostic Trouble Code (DTC) memory must always be erased and checked again with the VAG 1551 Scan Tool (ST).
  • If there is a specific complaint and no malfunctions are recognized after checking the Diagnostic Trouble Code (DTC) memory, carry out function 03, "Output Diagnostic Test Mode (DTM)": Refer to OUTPUT DIAGNOSTIC TEST MODE (DTM), (FUNCTION 03)  or function 08, "Read measuring value block". Refer to READ MEASURING VALUE BLOCK (FUNCTION 08) .
DIAGNOSTIC TROUBLE CODE (DTC) 00668

VAG 1551 print out Possible cause Possible effects Corrective actions
00668      
Battery Positive Voltage (B+) Term. 30      
-Signal too low -Battery voltage less than 9.5V due to insufficient charge in battery -Radio inoperative or poor performance -Charge/check battery. See BATTERY CHARGING .
-Signal too low -Battery voltage less than 9.5V due to excessive use of electrical consumers -Radio inoperative or poor performance -Discontinue use of unnecessary electrical consumers
DIAGNOSTIC TROUBLE CODE (DTC) 00852 & 00853

VAG 1551 print out Possible cause Possible effects Corrective actions
00852      
Loudspeaker front      
-Short circuit -Short circuit to ground at wiring to one front loudspeaker -One front loudspeaker inoperative Short circuit between two speaker wires is only recognized during Output Diagnostic Test Mode (DTM)
-Check for short circuit in wiring using wiring diagram
-Open circuit -Open circuit in wiring to one front loudspeaker -One front loudspeaker inoperative  
00853      
Loudspeaker rear      
-Short circuit -Short circuit to ground at wiring to one rear loudspeaker -One rear loudspeaker inoperative Short circuit between two speaker wires is only recognized during Output Diagnostic Test Mode (DTM)
-Open circuit -Open circuit in wiring to one rear loudspeaker -One rear loudspeaker inoperative Check for open circuit in wiring using wiring diagram
DIAGNOSTIC TROUBLE CODE (DTC) 00855, 00856, 01044 & 65535

VAG 1551 print out Possible cause Possible effects Corrective actions
00855      
Connection to CD Changer      
-No communication -Open circuit in wiring to CD Changer -CD Changer inoperative -Check for open circuit in wiring using wiring diagram
00856      
Radio Antenna      
-Short circuit -Antenna not plugged-in to radio or damaged -No radio reception -Check antenna cable. See appropriate WIRING DIAGRAM article.
-Open circuit -Antenna not plugged-in to radio or damaged -No radio reception -Check antenna cable. See appropriate WIRING DIAGRAM article.
01044      
Control Module incorrectly coded -Radio has yet to be coded   -DTC cannot be erased
-Code radio. See CONTROL MODULE (RADIO) VERSION, CODING (FUNCTION 07) .
65535      
Control Module Malfunctioning   -Radio malfunctioning -Replace/exchange radio
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.