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P1065ModeratePowertrain

P1065 on 2012-2019 Fiat 500 (Pop, Sport, Lounge, Turbo) — Cylinder 1 Oil Supply Solenoid Valve / ECM Power or Fuel Pressure Fault (manufacturer-specific)

1 vehicles · 1 makes · $800-$1,400 repair

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Most Reported On

2012-2019Fiat 500Pop +3

P1065 is an OBD-II diagnostic trouble code meaning “Cylinder 1 Oil Supply Solenoid Valve / ECM Power or Fuel Pressure Fault (manufacturer-specific).” P1065 is a manufacturer-specific powertrain code with more than one meaning. On some Chrysler/Fiat-family engines it refers to the cylinder 1 oil-supply solenoid valve switching time being out of range (part of variable valve/oil control). On other makes (such as Nissan and some GM applications) it has been used for ECM power supply or fuel-pressure-related faults. Because the definition varies, the exact circuit involved should be confirmed against the specific make and model. This code is most commonly reported on 2012-2019 Fiat 500 (Pop, Sport, Lounge, Turbo), with repair costs ranging from $800 to $1,400.

On This Page

  • Common Causes
  • Repair Cost
  • Vehicles (1)
  • Related Codes
  • FAQ
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Common Causes

1Faulty oil control / oil supply solenoid valve (cylinder 1)
2Wiring or connector problems in the solenoid circuit
3Low or contaminated engine oil affecting solenoid operation
4ECM/PCM power-supply or ground fault (some makes)
5Fuel pressure sensor or fuel delivery fault (some makes)
6Faulty PCM/ECM
7Related variable valve timing circuit issue

Typical Repair Cost

$800 - $1,400

Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.

Diagnostic Tools

To diagnose P1065, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

ANCEL AD310 Classic OBD-II Scanner

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A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).

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  • I/M readiness status
  • No batteries or app needed
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Best Value$90–$120

BlueDriver Pro Bluetooth Scanner

by BlueDriver

Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.

  • Enhanced diagnostics (ABS, SRS, transmission)
  • Repair Reports with verified fixes
  • Smog check readiness
  • Free app (iOS & Android)
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Advanced$180–$230

LAUNCH CRP123X OBD-II Scanner

by LAUNCH

A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.

  • Engine, transmission, ABS, SRS diagnostics
  • Live data stream & graphing
  • AutoVIN for vehicle identification
  • Free lifetime updates via Wi-Fi
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Professional$350–$450

Autel MaxiCOM MK808S Diagnostic Tool

by Autel

Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.

  • All-system diagnostics (25+ modules)
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  • Oil reset, EPB, BMS, TPMS, injector coding
  • 7-inch touchscreen with Android OS
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Vehicles Affected (1)

Fiat P1065 page →
500Critical

MultiAir Actuator Failure

2012-2019$800-$1,400185 reports

Related Codes (8)

P1067Cylinder 2 Oil Supply Solenoid Valve Switching Time Out of Range (manufacturer-specific)P1069Cylinder 3 Oil Supply Solenoid Valve Switching Time Out of Range (manufacturer-specific)P106BManufacturer-Specific Powertrain Sensor/Solenoid FaultP0013"B" Camshaft Position Actuator Circuit/Open (Bank 1)P0020Camshaft Position 'A' Actuator Circuit (Bank 2)P0023"B" Camshaft Position Actuator Circuit/Open (Bank 2)P0025"B" Camshaft Position - Timing Over-Retarded (Bank 2)P0026Intake Valve Control Solenoid Circuit Range/Performance (Bank 1)

FAQ

What does P1065 mean?

P1065 stands for "Cylinder 1 Oil Supply Solenoid Valve / ECM Power or Fuel Pressure Fault (manufacturer-specific)." P1065 is a manufacturer-specific powertrain code with more than one meaning. On some Chrysler/Fiat-family engines it refers to the cylinder 1 oil-supply solenoid valve switching time being out of range (part of variable valve/oil control). On other makes (such as Nissan and some GM applications) it has been used for ECM power supply or fuel-pressure-related faults. Because the definition varies, the exact circuit involved should be confirmed against the specific make and model.

What are the most common causes of P1065?

The most common causes of P1065 are: Faulty oil control / oil supply solenoid valve (cylinder 1), Wiring or connector problems in the solenoid circuit, Low or contaminated engine oil affecting solenoid operation, ECM/PCM power-supply or ground fault (some makes), Fuel pressure sensor or fuel delivery fault (some makes), Faulty PCM/ECM, Related variable valve timing circuit issue. The specific cause varies by vehicle.

How much does it cost to fix P1065?

Repair costs for P1065 range from $800 to $1,400, depending on the vehicle and root cause.

Which vehicles are affected by P1065?

Au7o has documented P1065 across 1 vehicle models from 1 manufacturers: Fiat.

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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.

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