U0157low severityNetwork
Lost Communication with Digital Compass Module
on 1998 Ferrari F355 3.5L V8 · RWD
What this code means
Cannot communicate with the digital compass module, often integrated in the rearview mirror or overhead console.
Symptoms
- Compass display blank
- Navigation heading unavailable
- Compass reading stuck
- Overhead console display off
Common causes
- Compass module failure
- Wiring issue
- Module power loss
- Fuse blown
- Magnetic interference
Diagnostic steps
- Check compass module power
- Test wiring to module
- Check for magnetic interference sources
- Test module directly
Repair notes
Check mirror or overhead console wiring. Compass may need calibration after repair.
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Other Network codes on this vehicle
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High
U0009
High Speed CAN Communication Bus Shorted Together
U0010
Medium Speed CAN Communication Bus