ECM Torque Signal Internal Fault
2007-2016 Volvo S80 3.2L I6
Description
The ECM detected an internal fault in its torque signal output. The torque signal communicates the current engine torque to other modules such as the TCM and stability control system.
Symptoms
- Check Engine Light
- Transmission may shift incorrectly
- Stability control malfunction
- Reduced power mode
Common Causes
- ECM internal circuit fault
- ECM software corruption
- ECM power supply issue
- Voltage spike damage to ECM
- Failed ECM programming
Diagnostic Steps
- Check ECM power and ground connections
- Attempt ECM software update
- Test ECM torque signal output
- Check for related CAN bus faults
- Consider ECM replacement
Repair Notes
Update ECM software; replace ECM if internal fault persists.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1526 on Other Vehicles
Common Questions
What does code P1526 mean on a 2007-2016 Volvo S80?
P1526 stands for "ECM Torque Signal Internal Fault". The ECM detected an internal fault in its torque signal output. The torque signal communicates the current engine torque to other modules such as the TCM and stability control system.
What are the symptoms of P1526 on a Volvo S80?
Common symptoms of P1526 include: Check Engine Light, Transmission may shift incorrectly, Stability control malfunction, Reduced power mode.
What causes P1526 on a 2007-2016 Volvo S80?
Common causes of P1526 include: ECM internal circuit fault, ECM software corruption, ECM power supply issue, Voltage spike damage to ECM, Failed ECM programming.