Independent vehicle diagnostics reference9,578 definition records · 11,412 unique codes · 68,396 vehicle evidence records

Diagnostic trouble code

P1066

P1066 Fault Code

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Car Codes diagnostic trouble code

P1066Diagnostic priority

…1. U1504 - Implausible Message Data Length Received From Steering Angle Sensor. P0335 - Crankshaft Position Sensor Circuit.P0101 - Mass Air Flow Sensor "A" Circuit Performance. P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106C - Cylinder 4 Oil Supply Solenoi…

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Code interpretation

What P1066 means

This code indicates Vehicle fault code with verified manufacturer evidence Its precise meaning depends on the reporting control module, complete failure-type suffix, model year, powertrain and software level.

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Driver experience

Symptoms you may notice

A stored diagnostic trouble code or a related system warning.

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Test, do not guess

Possible causes

The precise cause depends on the reporting module, vehicle specification, circuit condition and software level.

Evidence-led checks

Recommended diagnostic route

Save the complete scan and confirm the code against model-specific technical information before testing.

  1. Capture the evidenceSave the complete all-module scan, code suffixes and freeze-frame data.
  2. Prove the basicsTest battery condition, system voltage, power and grounds.
  3. Identify the reporterConfirm the module that logged the code and check circuit integrity.
  4. Compare live dataReview commanded and actual values under the conditions that set the code.
  5. Test before replacingUse model-specific wiring diagrams, pin tests and technical information.
  6. Verify the repairClear the code only after recording evidence, then confirm it does not return.

Vehicle fitment

Vehicle applicability

Fiat 500 Hybrid, Jeep Renegade, Jeep Compass, Maserati Grecale

Before clearing

Can the code be cleared?

Clearing a code without fixing the cause removes useful evidence and may only switch the warning off temporarily. Save the full scan first; a permanent or repeatedly returning code needs testing.

A DTC is evidence, not a parts order.

Confirm the suffix, reporting module, model, year, engine and live data before replacing a component.

Verified public evidence

Manufacturer and model coverage

12 public manufacturer records match this search. These records support applicability research but do not replace VIN-specific workshop information.

P1066Fiat 500 Hybrid
500X · 2016 · Powertrain

…may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): **P1066 - Cylinder 1 oil…

Source
P1066Jeep Compass
COMPASS · 2018 · Powertrain

…n. Upon further inspection, fault code P219A - Bank 1 Air-Fuel Ratio Imbalance may be found in the powertrain control module (PCM) as pending, active, or stored. Other fault codes…

Source
P1066Jeep Compass
COMPASS · 2019 · Powertrain

…n. Upon further inspection, fault code P219A - Bank 1 Air-Fuel Ratio Imbalance may be found in the powertrain control module (PCM) as pending, active, or stored. Other fault codes…

Source
P1066Jeep Compass
COMPASS · 2020 · Powertrain

…n. Upon further inspection, fault code P219A - Bank 1 Air-Fuel Ratio Imbalance may be found in the powertrain control module (PCM) as pending, active, or stored. Other fault codes…

Source
P1066Jeep Renegade
RENEGADE · 2016 · Powertrain

…all number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: **P1066 - Cylinder 1…

Source
P1066Jeep Renegade
RENEGADE · 2016 · Powertrain

…1. U1504 - Implausible Message Data Length Received From Steering Angle Sensor. P0335 - Crankshaft Position Sensor Circuit.P0101 - Mass Air Flow Sensor "A" Circuit Performance. P1066 - Cylinder 1…

Source
P1066Jeep Renegade
RENEGADE · 2016 · Powertrain

…all number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: **P1066 - Cylinder 1…

Source
P1066Jeep Renegade
RENEGADE · 2016 · Powertrain

…small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: **P1066 - Cylinder 1…

Source
P1066Jeep Renegade
RENEGADE · 2019 · Powertrain

…n. Upon further inspection, fault code P219A - Bank 1 Air-Fuel Ratio Imbalance may be found in the powertrain control module (PCM) as pending, active, or stored. Other fault codes…

Source
P1066Jeep Renegade
RENEGADE · 2020 · Powertrain

…n. Upon further inspection, fault code P219A - Bank 1 Air-Fuel Ratio Imbalance may be found in the powertrain control module (PCM) as pending, active, or stored. Other fault codes…

Source
P1066Maserati Grecale
GRECALE · 2023 · Powertrain

Rapid Update 680 to address MIL (Malfunction Indicator Lamp) turning ON while driving, attributed to P-codes P106A and P1066 related to the Multiair solenoid valve.

Source
P1066Maserati Grecale
GRECALE · 2024 · Powertrain

Rapid Update 680 to address MIL (Malfunction Indicator Lamp) turning ON while driving, attributed to P-codes P106A and P1066 related to the Multiair solenoid valve.

Source