AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble Code
DTC B1617 FRONT SUB SENSOR LH LOST COMMUNICATION
NOTE:
For details on DTC B1617, refer to DTC B1618. Diagnostic Chart with Trouble Code > DTC B1618 FRONT SUB SENSOR LH INITIALIZATION ERROR">
Dtc b1615 front sub sensor lh failure
Dtc b1618 front sub sensor lh initialization errorAssembly
FRONT SUSPENSION > Front ArmASSEMBLY1. BUSHING FRONT - FRONT ARM1. Before assembly, inspect the following items and replace any faulty part with a new one.• Check the front arm assembly for damage or cracks, and replace if defective.• Visually check the bushing for abnormal cracks, fa ...
Inspection
FRONT SUSPENSION > Front Ball JointINSPECTION1. Check that there is no looseness by moving the upper and lower portions of front tire in an axial direction with the brake pedal depressed.• Looseness exists > Replace the ball joint assembly. Front Ball Joint > REMOVAL">2. Chec ...
Fuel requirements
The Subaru Ascent engine is engineered to operate efficiently on unleaded gasoline
with an octane rating of at least 87 AKI (90 RON). Using the correct fuel ensures
optimal performance, fuel economy, and engine longevity.
NOTE
When towing with the Subaru Ascent, it is advisable to use higher-o ...