Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Volvo S80 T-6FACTORY OEM SERVICE PROCEDURE
Transmission Control Module (TCM) Diagnostic Trouble Codes - 5 Of 5
- TCM-010B: Shift Solenoid S5. Signal Missing (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-010C: Shift Solenoid S5. Signal Too Low (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-010D: Lock-Up Solenoid SLU. Signal Too High. Intermittent (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-010D: Lock-Up Solenoid SLU. Signal Too High. Permanent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-010F: Lock-Up Solenoid SLU. Signal Missing. Intermittent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-010F: Lock-Up Solenoid SLU. Signal Missing. Permanent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0110: Lock-Up Solenoid SLU. Signal Too Low. Intermittent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0110: Lock-Up Solenoid SLU. Signal Too Low. Permanent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0112: Line Pressure Solenoid SLS. Signal Too High. Intermittent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0112: Line Pressure Solenoid SLS. Signal Too High. Permanent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0113: Line Pressure Solenoid SLS. Signal Missing. Intermittent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0113: Line Pressure Solenoid SLS. Signal Missing. Permanent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0114: Line Pressure Solenoid SLS. Signal Too Low. Intermittent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0114: Line Pressure Solenoid SLS. Signal Too Low. Permanent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0115: Shift Solenoid S3. Hydraulic Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0116: Throttle Solenoid SLT. Signal Too High. Intermittent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0116: Throttle Solenoid SLT. Signal Too High. Permanent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0117: Throttle Solenoid SLT. Signal Missing. Intermittent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0117: Throttle Solenoid SLT. Signal Missing. Permanent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0118: Throttle Solenoid SLT. Signal Too Low. Intermittent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0118: Throttle Solenoid SLT. Signal Too Low. Permanent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0120: Control Unit. Internal Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0121: Control Unit. Internal Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0122: Control Unit. Internal Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0123: Control Unit. Internal Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0124: Control Unit. Internal Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-012A: Neutral Check Faulty Connection (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-012B: Neutral Check No Neutral Check (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-012C: Neutral Check. The Engine Speed (Rpm) Oscillates (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
- TCM-0350: Transmission. Wrong Type Of Transmission (4T65EV; 1999-2005)
- TCM-0350: Transmission. Wrong Type Of Transmission (4T65EV-Gt; 1999-2006)
- TCM-E000: Control Module Communication. Faulty Communication (4T65EV; 4T65EV-Gt; 1999-2004)
- TCM-E000: Control Module Communication. Faulty Communication (4T65EV; 2005)
- TCM-E000: Control Module Communication. Faulty Communication (4T65EV-Gt; Aw50/51 AWD; Aw55-50/51SN; 2005-2006)
- TCM-E000: Control Module Communication. Faulty Communication (Aw50/51 AWD; Aw55-50/51SN; 2004)
- TCM-E003: Configuration Fault. Faulty Configuration (4T65EV; 2005)
- TCM-E003: Configuration Fault. Faulty Configuration (4T65EV; 4T65EV-Gt; 1999-2004)
- TCM-E003: Configuration Fault. Faulty Configuration (4T65EV-Gt; Aw50/51 AWD; Aw55-50/51SN; 2005-2006)
- TCM-E003: Configuration Fault. Faulty Configuration (Aw50/51 AWD; Aw55-50/51SN; 2004)
- TCM-E003: Control Module Communication Control Module Communication. Intermittent Fault (4T65EV; 4T65EV-Gt; 1999)
- TCM-E003: Control Module Communication Control Module Communication. Permanent Fault (4T65EV; 4T65EV-Gt; 1999)
- TCM-XXXX: Unknown Diagnostic Trouble Code (DTC) For The Current Control Module Version (4T65EV; 1999-2005)
- TCM-XXXX: Unknown Diagnostic Trouble Code (DTC) For The Current Control Module Version (4T65EV-Gt; 1999-2006)
- TCM-XXXX: Unknown Diagnostic Trouble Code (DTC) For The Current Control Module Version (Aw50/51 AWD; Aw55-50/51SN; 2004-2006)
Factory Service Tools
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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.
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