P2B99
Exhaust Pressure Control Valve A Driver Current/Temperature Too High
P2B99 is an OBD-II diagnostic trouble code meaning: Exhaust Pressure Control Valve A Driver Current/Temperature Too High. Common causes: malfunction of the exhaust gas pressure control valve, problems in the control circuit (open or short circuit). Estimated repair cost: $33–167.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unusual noises from the exhaust system
- Problems with turbine operation (if installed)
Causes
- Malfunction of the exhaust gas pressure control valve
- Problems in the control circuit (open or short circuit)
- Engine control unit malfunction
- Mechanical valve sticking
- Damage to wiring or connectors
How to Fix
- Check the condition of the EPCV valve and its mechanical operation
- Check the control circuit for opens and short circuits
- Check connectors and connections for oxidation and damage
- Check the functionality of the engine control unit
- If necessary, replace the EPCV valve
Related codes
Error P2B99 by Vehicle Brand
FAQ
What does the P2B99 code mean?
P2B99 is an OBD-II diagnostic trouble code that indicates: Exhaust Pressure Control Valve A Driver Current/Temperature Too High
What causes a P2B99 error code?
The most common causes of P2B99 include: Malfunction of the exhaust gas pressure control valve; Problems in the control circuit (open or short circuit); Engine control unit malfunction; Mechanical valve sticking.
How do I fix a P2B99 diagnostic trouble code?
To fix P2B99: Check the condition of the EPCV valve and its mechanical operation. Check the control circuit for opens and short circuits. Check connectors and connections for oxidation and damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2B99?
Yes, but get it checked soon
How much does it cost to fix P2B99?
The estimated repair cost for P2B99 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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