OBD-II code · Powertrain (generic, extended)
P2158 Vehicle Speed Sensor B Circuit
A general electrical fault is reported on vehicle speed sensor B — second VSS used either at the transmission output or as redundancy. Open, short, or implausible signal.
Is it safe to drive with P2158?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor failed
- PossibleHarness fault
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- Parts involved
- Vehicle Speed Sensor B
Related codes
- P2155Fuel Injector Group D Supply Voltage Circuit/Open
- P2156Fuel Injector Group D Supply Voltage Circuit Low
- P2157Fuel Injector Group D Supply Voltage Circuit High
- P2159Vehicle Speed Sensor B Range/Performance
- P215AVehicle Speed - Wheel Speed Correlation
- P215BVehicle Speed - Output Shaft Speed Correlation
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.