Engine Error
P0377
Timing Reference High Resolution Signal B Too Few Pulses
Severity
High
Symptoms
Misfire, lack of power, engine shutdown
Common Causes
- Damaged reluctor ring teeth
- Failing sensor B
- High resistance in signal wire
- Loose sensor mounting
How to Fix
- 1 Replace reluctor ring
- 2 Replace sensor B
- 3 Repair wiring resistance
- 4 Tighten sensor bracket
Estimated Repair Cost
USD
$100
–
$600
Sensor replacement: 150 - 400