P106B on Fiat: How to Diagnose & Fix
P106B — Fiat-specific definition
1 Fiat model · 1 documented issue · 1 critical · $800-$1,400 repair
P106B on Fiat by model: symptoms, diagnosis and fix
The MultiAir electro-hydraulic valve actuation system can fail, causing rough idle, misfires, and check engine light with codes P0014 or P1014. This is a common failure on the 1.4L MultiAir engine, often occurring between 40,000 and 80,000 miles.
Common Symptoms
- Rough idle
- Engine misfire
- Check engine light
- Reduced power
- Ticking noise from engine
How to Fix
Replace the MultiAir actuator unit on top of the cylinder head. Use updated Mopar part number for revised design.
Sources for this issue (4)
P106B code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does P106B mean on a Fiat?
On Fiat, P106B: Fiat/FCA define P106B as 'Cylinder 4 Oil Supply Solenoid Valve Switch On Time Out Of Range', the cylinder 4 solenoid in the MultiAir actuator (source: obdadvisor.com/codes/code/fiat-p106b). FCA bulletin 18-009-16 Rev. B uses the same code family, e.g. 'P106C - Cylinder 4 Oil Supply Solenoid Valve Switch Off Time Out Of Range' (static.nhtsa.gov/odi/tsbs/2016/SB-10084053-0699.pdf). On Fiat it is documented across 1 model: 500.
How much does it cost to fix P106B on a Fiat?
Published repair estimates on Fiat range from $800 to $1,400 depending on the model and root cause. If an issue mentions a recall or campaign, check your VIN with the manufacturer or NHTSA and confirm eligibility and coverage with a dealer.
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.