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.
2009 Volvo XC70 BaseFACTORY OEM SERVICE PROCEDURE
Power Operated Tailgate (Pot) DTCS
POWER OPERATED TAILGATE (POT) - DTC INDEX
| DTC | Volvo Code | Description |
|---|---|---|
| B1084 | POT-B108467 | Boot/Trunk Motor Close switch. Algorithm Based Failures. Signal incorrect after event |
| B10D0 | POT-B10D067 | Trunk Latch clutch switch. Algorithm Based Failures. Signal incorrect after event |
| B111D | POT-B111D11 | Boot/Trunk motor open. General Electrical Failures. Circuit short to ground |
| B111D | POT-B111D13 | Boot/Trunk motor open. General Electrical Failures. Circuit open |
| B111F | POT-B111F11 | Boot/Trunk motor close. General Electrical Failures. Circuit short to ground |
| B111F | POT-B111F13 | Boot/Trunk motor close. General Electrical Failures. Circuit open |
| B113E | POT-B113E23 | External Boot/Trunk release switch. General Signal Failures. Signal stuck low |
| B1161 | POT-B116112 | Left rear anti-pinch sensor. General Electrical Failures. Circuit short to battery |
| B1161 | POT-B116113 | Left rear anti-pinch sensor. General Electrical Failures. Circuit open |
| B1161 | POT-B116123 | Left rear anti-pinch sensor. General Signal Failures. Signal stuck low |
| B1162 | POT-B116212 | Right rear anti-pinch sensor. General Electrical Failures. Circuit short to battery |
| B1162 | POT-B116213 | Right rear anti-pinch sensor. General Electrical Failures. Circuit open |
| B1162 | POT-B116223 | Right rear anti-pinch sensor. General Signal Failures. Signal stuck low |
| B1178 | POT-B117867 | Boot/Trunk ajar switch. Algorithm Based Failures. Signal incorrect after event |
| B1187 | POT-B118712 | Trunk motor. General Electrical Failures. Circuit short to battery |
| B11C4 | POT-B11C423 | Boot/trunk close button. General Signal Failures. Signal stuck low |
| B1A99 | POT-B1A9904 | Power on reset. General Failure Information. System Internal Failures |
| C1A43 | POT-C1A4396 | Motor supply circuit. Component Failures. Component internal failure |
| P0604 | POT-P060400 | Internal Control Module Random Access Memory (RAM) Error. General Failure Information. No sub type information |
| P0605 | POT-P060500 | Internal Control Module Read Only Memory (ROM) Error. General Failure Information. No sub type information |
| P0932 | POT-P093212 | Hydraulic Pressure Sensor Circuit. General Electrical Failures. Circuit short to battery |
| P0932 | POT-P093214 | Hydraulic Pressure Sensor Circuit. General Electrical Failures. Circuit short to ground or open |
| P0932 | POT-P093267 | Hydraulic Pressure Sensor Circuit. Algorithm Based Failures. Signal incorrect after event |
| P0945 | POT-P094513 | Hydraulic Pump Relay Circuit/Open. General Electrical Failures. Circuit open |
| P0947 | POT-P094711 | Hydraulic Pump Relay Circuit Low. General Electrical Failures. Circuit short to ground |
| P0948 | POT-P094812 | Hydraulic Pump Relay Circuit High. General Electrical Failures. Circuit short to battery |
| P1603 | POT-P160342 | EEPROM Malfunction. System Internal Failures. General memory failure |
| U0010 | POT-U001000 | Medium Speed CAN Communication Bus. General Failure Information. No sub type information |
| U0140 | POT-U014000 | Lost Communication With Central electronic module. General Failure Information. No sub type information |
| U0300 | POT-U030000 | Internal Control Module Software Incompatibility. General Failure Information. No sub type information |
| U0422 | POT-U042268 | Invalid Data Received From Central electronic module. Algorithm Based Failures. Event information |
| U201A | POT-U201A54 | Control Module Main Calibration Data. System Programming Failures. Missing calibration |
| U2100 | POT-U210000 | Control Module Not Configured. General Failure Information. No sub type information |
| U2101 | POT-U210100 | Control Module Configuration Incompatible. General Failure Information. No sub type information |
| U3003 | POT-U300316 | Battery Voltage. General Electrical Failures. Circuit voltage below threshold |
| U3003 | POT-U300317 | Battery Voltage. General Electrical Failures. Circuit voltage above threshold |
| U3003 | POT-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.