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.
2008 Volvo S80 BaseFACTORY 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
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.