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
Parking Assist Module (PAM) DTCS
PARKING ASSIST MODULE (PAM) - DTC INDEX
| DTC | Volvo Code | Description |
|---|---|---|
| B1B36 | PAM-B1B3601 | Front Right Outer Sensor. General Failure Information. General electrical failure |
| B1B36 | PAM-B1B3612 | Front Right Outer Sensor. General Electrical Failures. Circuit short to battery |
| B1B36 | PAM-B1B3696 | Front Right Outer Sensor. Component Failures. Component internal failure |
| B1B38 | PAM-B1B3801 | Front Right Inner Sensor. General Failure Information. General electrical failure |
| B1B38 | PAM-B1B3812 | Front Right Inner Sensor. General Electrical Failures. Circuit short to battery |
| B1B38 | PAM-B1B3896 | Front Right Inner Sensor. Component Failures. Component internal failure |
| B1B40 | PAM-B1B4001 | Front Left Outer Sensor. General Failure Information. General electrical failure |
| B1B40 | PAM-B1B4012 | Front Left Outer Sensor. General Electrical Failures. Circuit short to battery |
| B1B40 | PAM-B1B4096 | Front Left Outer Sensor. Component Failures. Component internal failure |
| B1B42 | PAM-B1B4201 | Front Left Inner Sensor. General Failure Information. General electrical failure |
| B1B42 | PAM-B1B4212 | Front Left Inner Sensor. General Electrical Failures. Circuit short to battery |
| B1B42 | PAM-B1B4296 | Front Left Inner Sensor. Component Failures. Component internal failure |
| B1B44 | PAM-B1B4401 | Rear Right Outer Sensor. General Failure Information. General electrical failure |
| B1B44 | PAM-B1B4412 | Rear Right Outer Sensor. General Electrical Failures. Circuit short to battery |
| B1B44 | PAM-B1B4496 | Rear Right Outer Sensor. Component Failures. Component internal failure |
| B1B46 | PAM-B1B4601 | Rear Right Inner Sensor. General Failure Information. General electrical failure |
| B1B46 | PAM-B1B4612 | Rear Right Inner Sensor. General Electrical Failures. Circuit short to battery |
| B1B46 | PAM-B1B4696 | Rear Right Inner Sensor. Component Failures. Component internal failure |
| B1B48 | PAM-B1B4801 | Rear Left Outer Sensor. General Failure Information. General electrical failure |
| B1B48 | PAM-B1B4812 | Rear Left Outer Sensor. General Electrical Failures. Circuit short to battery |
| B1B48 | PAM-B1B4896 | Rear Left Outer Sensor. Component Failures. Component internal failure |
| B1B50 | PAM-B1B5001 | Rear Left Inner Sensor. General Failure Information. General electrical failure |
| B1B50 | PAM-B1B5012 | Rear Left Inner Sensor. General Electrical Failures. Circuit short to battery |
| B1B50 | PAM-B1B5096 | Rear Left Inner Sensor. Component Failures. Component internal failure |
| B1B57 | PAM-B1B5711 | Front Sensors Power Circuit. General Electrical Failures. Circuit short to ground |
| B1B58 | PAM-B1B5811 | Rear Sensors Power Circuit. General Electrical Failures. Circuit short to ground |
| U0010 | PAM-U001000 | Medium Speed CAN Communication Bus. General Failure Information. No sub type information |
| U0073 | PAM-U007300 | Control module communication bus "A" Off. General Failure Information. No sub type information |
| U0140 | PAM-U014000 | Lost Communication With Central electronic module. General Failure Information. No sub type information |
| U0252 | PAM-U025200 | Lost Communication With Trailer Module (TRM). General Failure Information. No sub type information |
| U0300 | PAM-U030000 | Internal Control Module Software Incompatibility. General Failure Information. No sub type information |
| U0422 | PAM-U042200 | Invalid Data Received From Central electronic module. General Failure Information. No sub type information |
| U0484 | PAM-U048400 | Invalid Data Received from Trailer Module (TRM). General Failure Information. No sub type information |
| U2100 | PAM-U210000 | Control Module Not Configured. General Failure Information. No sub type information |
| U2101 | PAM-U210100 | Control Module Configuration Incompatible. General Failure Information. No sub type information |
| U3000 | PAM-U300049 | Control Module. System Internal Failures. Internal electronic failure |
| U3002 | PAM-U300281 | Vehicle Identification Number. Bus Signal/Message Failures. Invalid serial data received |
| U3003 | PAM-U300316 | Battery Voltage. General Electrical Failures. Circuit voltage below threshold |
| U3003 | PAM-U300317 | Battery Voltage. General Electrical Failures. Circuit voltage above threshold |
| U3003 | PAM-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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