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.
2011 Volvo S80 Base, 3.2 95FACTORY OEM SERVICE PROCEDURE
Infotainment Control Module (ICM) DTCS
INFOTAINMENT CONTROL MODULE (ICM) - DTC INDEX
| DTC | Volvo Code | Description |
|---|---|---|
| B1049 | ICM-B104949 | Display Heater. System Internal Failures. Internal electronic failure |
| B1049 | ICM-B10494B | Display Heater. System Internal Failures. Over temperature |
| B104A | ICM-B104A23 | Button 1. General Signal Failures. Signal stuck low |
| B104B | ICM-B104B23 | Button 2. General Signal Failures. Signal stuck low |
| B104C | ICM-B104C23 | Button 3. General Signal Failures. Signal stuck low |
| B104D | ICM-B104D23 | Button 4. General Signal Failures. Signal stuck low |
| B104E | ICM-B104E23 | Button 5. General Signal Failures. Signal stuck low |
| B1087 | ICM-B108783 | LIN Bus A. Bus Signal/Message Failures. Value of signal protection calculation incorrect |
| B1087 | ICM-B108786 | LIN Bus A. Bus Signal/Message Failures. Signal invalid |
| B1087 | ICM-B108787 | LIN Bus A. Bus Signal/Message Failures. Missing message |
| B1087 | ICM-B108788 | LIN Bus A. Bus Signal/Message Failures. Bus off |
| U0010 | ICM-U001000 | Medium Speed CAN Communication Bus. General Failure Information. No sub type information |
| U0140 | ICM-U014000 | Lost Communication With Central electronic module. General Failure Information. No sub type information |
| U0156 | ICM-U01564A | Lost Communication With Infotainment control module. System Internal Failures. Incorrect component installed |
| U0163 | ICM-U016300 | Lost Communication With Navigation Control Module. General Failure Information. No sub type information |
| U0163 | ICM-U01634A | Lost Communication With Navigation Control Module. System Internal Failures. Incorrect component installed |
| U0164 | ICM-U016400 | Lost Communication With Climate control unit. General Failure Information. No sub type information |
| U0184 | ICM-U018400 | Lost Communication With Audio module. General Failure Information. No sub type information |
| U0184 | ICM-U01844A | Lost Communication With Audio module. System Internal Failures. Incorrect component installed |
| U0186 | ICM-U018600 | Lost Communication With Audio amplifier. General Failure Information. No sub type information |
| U0186 | ICM-U01864A | Lost Communication With Audio amplifier. System Internal Failures. Incorrect component installed |
| U0193 | ICM-U019300 | Lost Communication With "Digital Audio Control Module A". General Failure Information. No sub type information |
| U0193 | ICM-U01934A | Lost Communication With "Digital Audio Control Module A". System Internal Failures. Incorrect component installed |
| U0197 | ICM-U019700 | Lost Communication With Telephone Control Module. General Failure Information. No sub type information |
| U0197 | ICM-U01974A | Lost Communication With Telephone Control Module. System Internal Failures. Incorrect component installed |
| U0198 | ICM-U019800 | Lost Communication With Telematic Control Module. General Failure Information. No sub type information |
| U0198 | ICM-U01984A | Lost Communication With Telematic Control Module. System Internal Failures. Incorrect component installed |
| U0235 | ICM-U023500 | Lost Communication With Forward sensing module. General Failure Information. No sub type information |
| U0253 | ICM-U025300 | Lost Communication With Accessory USB Unit. General Failure Information. No sub type information |
| U0253 | ICM-U02534A | Lost Communication With Accessory USB Unit. System Internal Failures. Incorrect component installed |
| U0257 | ICM-U02574A | Lost Communication With Front Controls/Display Interface Module. System Internal Failures. Incorrect component installed |
| U0262 | ICM-U026200 | Lost Communication With Subwoofer Module. General Failure Information. No sub type information |
| U0300 | ICM-U030000 | Internal Control Module Software Incompatibility. General Failure Information. No sub type information |
| U0300 | ICM-U030051 | Internal Control Module Software Incompatibility. System Programming Failures. Not programmed |
| U1A15 | ICM-U1A1587 | Incomplete MOST Ring Reported By ICM. Bus Signal/Message Failures. Missing message |
| U1A24 | ICM-U1A2400 | MOST Ring Complete. No Communication. General Failure Information. No sub type information |
| U3003 | ICM-U300362 | Battery Voltage. Algorithm Based Failures. Signal compare failure |
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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