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
Power Seat Module (PSM) DTCS
POWER SEAT MODULE (PSM) - DTC INDEX
| DTC | Volvo Code | Description |
|---|---|---|
| B103E | PSM-B103E11 | Seat Motors. General Electrical Failures. Circuit short to ground |
| B103E | PSM-B103E12 | Seat Motors. General Electrical Failures. Circuit short to battery |
| B1B86 | PSM-B1B8613 | Seat Height Motor Relay. General Electrical Failures. Circuit open |
| B1B87 | PSM-B1B8723 | Seat Height Motor Hall Sensor. General Signal Failures. Signal stuck low |
| B1B87 | PSM-B1B8724 | Seat Height Motor Hall Sensor. General Signal Failures. Signal stuck high |
| B1B88 | PSM-B1B8813 | Seat Slide Motor Relay. General Electrical Failures. Circuit open |
| B1B89 | PSM-B1B8923 | Seat Slide Motor Hall Sensor. General Signal Failures. Signal stuck low |
| B1B89 | PSM-B1B8924 | Seat Slide Motor Hall Sensor. General Signal Failures. Signal stuck high |
| B1B90 | PSM-B1B9013 | Seat Tilt Motor Relay. General Electrical Failures. Circuit open |
| B1B91 | PSM-B1B9123 | Seat Tilt Motor Hall Sensor. General Signal Failures. Signal stuck low |
| B1B91 | PSM-B1B9124 | Seat Tilt Motor Hall Sensor. General Signal Failures. Signal stuck high |
| B1B92 | PSM-B1B9213 | Seat Recline Motor Relay. General Electrical Failures. Circuit open |
| B1B93 | PSM-B1B9323 | Seat Recline Motor Hall Sensor. General Signal Failures. Signal stuck low |
| B1B93 | PSM-B1B9324 | Seat Recline Motor Hall Sensor. General Signal Failures. Signal stuck high |
| B1B94 | PSM-B1B9424 | Seat Height Up Switch. General Signal Failures. Signal stuck high |
| B1B95 | PSM-B1B9524 | Seat Height Down Switch. General Signal Failures. Signal stuck high |
| B1B96 | PSM-B1B9624 | Seat Slide Forward Switch. General Signal Failures. Signal stuck high |
| B1B97 | PSM-B1B9724 | Seat Slide Backward Switch. General Signal Failures. Signal stuck high |
| B1B98 | PSM-B1B9824 | Seat Tilt Up Switch. General Signal Failures. Signal stuck high |
| B1B99 | PSM-B1B9924 | Seat Tilt Down Switch. General Signal Failures. Signal stuck high |
| B1C00 | PSM-B1C0024 | Seat Recline Up Switch. General Signal Failures. Signal stuck high |
| B1C01 | PSM-B1C0124 | Seat Recline Down Switch. General Signal Failures. Signal stuck high |
| B1C02 | PSM-B1C0224 | Memory Store Switch. General Signal Failures. Signal stuck high |
| B1C03 | PSM-B1C0324 | Memory #1 Switch. General Signal Failures. Signal stuck high |
| B1C04 | PSM-B1C0424 | Memory #2 Switch. General Signal Failures. Signal stuck high |
| B1C05 | PSM-B1C0524 | Memory #3 Switch. General Signal Failures. Signal stuck high |
| U0010 | PSM-U001000 | Medium Speed CAN Communication Bus. General Failure Information. No sub type information |
| U0010 | PSM-U001088 | Medium Speed CAN Communication Bus. Bus Signal/Message Failures. Bus off |
| U0140 | PSM-U014000 | Lost Communication With Central electronic module. General Failure Information. No sub type information |
| U0199 | PSM-U019900 | Lost Communication With Driver door module. General Failure Information. No sub type information |
| U0300 | PSM-U030000 | Internal Control Module Software Incompatibility. General Failure Information. No sub type information |
| U0422 | PSM-U042268 | Invalid Data Received From Central electronic module. Algorithm Based Failures. Event information |
| U3000 | PSM-U300041 | Control Module. System Internal Failures. General checksum failure |
| U3000 | PSM-U300048 | Control Module. System Internal Failures. Supervision software failure |
| U3000 | PSM-U300096 | Control Module. Component Failures. Component internal failure |
| U3003 | PSM-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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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