P2802moderate severityPowertrain
Vehicle Speed Sensor 'B' Circuit
on 1999 Toyota Tacoma 2.7L I4 · RWD
What this code means
The control module detected a fault in the 'B' vehicle speed sensor circuit. This can cause incorrect speed readings affecting the speedometer and transmission operation.
Symptoms
- Inaccurate or dead speedometer
- Erratic shifting
- Cruise control not working
Common causes
- Faulty vehicle speed sensor
- Damaged wiring or connector
- Corroded sensor connector
- Faulty control module
Diagnostic steps
- Scan for stored speed sensor codes
- Inspect sensor and wiring for damage
- Measure sensor signal with scope while driving
- Replace speed sensor if faulty
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITEShop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0005
Fuel Shutoff Valve A Control Circuit/Open