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.
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HOMESERVICE MANUALSVOLVO2004S80 L6-2.9L TURBO VIN 91 B6294TREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSTCM CODES (TRANSMISSION CONTROL MODULE)TCM-0016CONTROL MODULE. INTERNAL FAULT. INTERMITTENT FAULTDIAGNOSTIC TROUBLE CODE (DTC) INFORMATION
2004 Volvo S80 L6-2.9L Turbo VIN 91 B6294T
Diagnostic Trouble Code (DTC) Information
2004 Volvo S80 L6-2.9L Turbo VIN 91 B6294TSECTION Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information
Condition
The solenoids are controlled by amplifiers in the transmission control module (TCM). The transmission control module (TCM) opens the amplifiers to activate the solenoids and sends a voltage through the circuit. Diagnostic trouble code (DTC) TCM-0016 is stored if the control module registers an internal fault in one of the amplifier circuits.
Substitute value
- The control module "Limp Home" program initiated.
Possible source
- Defective control module.
Fault symptom[s]
- General orange warning lamp lit.
- Malfunction indicator lamp (MIL) lit.
- No lock-up function.
- Harsh gear shifting.
- No shifting.
Hint: Harsh gear shifting can be caused by:
- No adaptation of the gear slippage times at high altitude (High Altitude Compensation).
- No reduction of line pressure when shifting.
- No torque limiting request to engine control module (ECM) when shifting.
No shifting - because the transmission control module (TCM) prevents activation of the solenoids. This stops gear-shifting.
Caution! There is a danger that this fault will cause line pressure in the transmission to be too low, which will result in wear.
RENDER: 1.0x
NO RELATED
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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.