P0087: Low Fuel Rail Pressure
Typical Symptoms: Lack of power during rapid acceleration, idle roughness
Troubleshooting Focus: High-pressure fuel pump (HPFP), fuel rail sensor, clogged diesel filter (for diesel models)
Case Reference: 2016 XC90 T6 had a chain reaction triggered by a failed low-pressure fuel sensor
P0101: Mass Air Flow (MAF) Sensor Signal Out of Range
Fun Fact: Volvo MAF sensors are highly sensitive to intake leaks; always check the sealing of the intake pipes before replacing the sensor
P0200-P0299 Fuel Injection System
P0263: Cylinder 1 Injector Circuit Fault
Hidden Risk: Long-term neglect may cause DPF clogging (diesel vehicles) or damage to the catalytic converter (gasoline vehicles)
Tool Recommendation: Use Vida for injector coding reset
P0299: Turbocharger Underboost
Common Causes:
- Sticking wastegate valve (a common issue with Volvo’s EP6 engine)
- Leaking intercooler hoses (listen for a “hissing” sound)
- Turbocharger solenoid failure (preferably use Volvo original parts)
P0400-P0499 Emission Control
P0420: Catalyst Efficiency Below Threshold
Volvo Specific: Always check the upstream oxygen sensor for aging, as the system has low tolerance for sensor shifts
Money-Saving Tip: Try fuel additives for cleaning (only for mild carbon buildup)
P2463: Diesel Particulate Filter (DPF) Clogged
Regeneration Tips:
- Forced regeneration conditions: Fuel level > 40%, vehicle speed > 60 km/h for 20 minutes continuously
- Severe blockages require cleaning; avoid using non-OEM DPFs (could trigger ECU lockout)
P0600-P0699 Control Modules
P062D: Fuel Pump Control Module Internal Fault
High-Risk Models: 2013-2015 S60/V60
Emergency Fix: Tapping the control module under the right rear seat may temporarily restore fuel supply
P0670: Glow Plug Control Circuit Fault (Diesel Vehicles)
Winter Check: A single faulty glow plug can make cold starts difficult. It’s recommended to replace the entire set
U-Class Communication Faults
U0101: Lost Communication with TCM (Transmission Control Module)
Classic Causes: Water ingress into CEM (Central Electronic Module) (more common after heavy rain)
Troubleshooting Steps:
- Check the wiring connector in the passenger footwell
- Measure the CAN bus terminal resistance (normal value: 60Ω)
Practical Notes:
- Software Dependency: After clearing fault codes, always perform “ECU Adaptive Reset” using Vida to avoid recurrence
- Spare Part Pitfalls: Always use OEM oxygen sensors and turbo solenoids; aftermarket parts often have poor compatibility
- Chain Reactions: Volvo’s engine systems are highly interrelated (e.g., an EGR fault may affect the DPF)
Yangzhou Vosto machinery established in 2010, is an manufacturer of diesel generator in China, integrates design, supply, commissioning and maintenance of diesel generator set.
Vosto machinery attach great importance to CUMMINS, PERKINS, WEICHAI POWER, DEUTZ, DOOSAN, VOLVO, STAMFORD, MECCALTE and other world-class manufacturer partners, and established a long-term and stable OEM partnership, relying on its global supply and service system, to provide our products and customers with strong supply support and service guarantee.