Is it safe to drive with this code?

In most cases, short-term driving is unlikely to cause immediate harm, though the ECU may apply conservative fuelling or timing strategies that slightly reduce efficiency. If the engine is overheating or the oil pressure warning lamp is also on, stop driving and seek assistance immediately. Refer to our disclaimer for full guidance.

It may affect the MOT, but the outcome depends on whether the malfunction indicator lamp is illuminated at the time of the test—an illuminated MIL can result in a fail. See our disclaimer for details on emissions and safety-critical systems.

Roughly how much does it cost to fix?

If the fault is simply a faulty sensor, replacement typically falls in the low three-figure range including parts and labour at an independent garage. Costs can rise to mid three-figure if the sensor is difficult to access or if wiring repairs are needed. Main dealers may charge towards the higher end of this range.

Can I clear the code and keep driving?

Clearing the code without addressing the underlying cause will typically result in it returning once the ECU completes its monitoring cycle. It's advisable to diagnose and repair the root cause to avoid potential secondary issues or incorrect engine management decisions.

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← All fault codes | Oil System

P0527

Powertrain

Engine Oil Temperature Sensor Circuit Range/Performance

The engine control module has detected that the engine oil temperature sensor is reporting values that appear implausible or inconsistent with other temperature readings.

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ⓘ Information only. This page provides general educational information about fault code P0527. We do not assess the urgency or safety implications of any specific fault. That requires in-person diagnosis by a qualified mechanic. Full terms.

Recommended next steps

Whether a fault is urgent, drivable, or routine depends entirely on the cause on a specific vehicle, and that can only be determined by a qualified mechanic with diagnostic equipment. If a warning light is illuminated, the most reliable next step is professional diagnosis.

What does P0527 mean?

P0527 is a Powertrain (engine, transmission, fuel system) fault code. It indicates: Engine Oil Temperature Sensor Circuit Range/Performance.

This is a standardised OBD-II code. The technical definition is the same regardless of the make or model of vehicle, although specific causes and symptoms can vary between vehicles.

About Oil System codes

Oil system codes monitor engine oil quality, level, or pressure. Some are sensor-driven (oil quality monitors) and largely cosmetic; others (oil pressure low) are critical and indicate stop-driving-now conditions.

P0527 is one of 123 codes in this category. Browse all Oil System codes →

What we know about P0527 specifically

We record the SAE J2012 standardised definition and the system this code belongs to, but we have not yet published detailed driver-reported symptoms, common causes, or step-by-step diagnostic guidance for P0527.

Rather than invent that information by generating generic content from a template, we leave it out. For specific guidance, the most reliable sources are:

•your vehicle's own service manual or manufacturer-specific technical bulletins
•a qualified mechanic with a manufacturer-level diagnostic tool
•a marque specialist familiar with your make and model

Codes nearby

Codes adjacent to P0527 in the P-code series. Many fault codes appear together with their neighbours because they relate to the same circuit or component.

P0523 Engine Oil Pressure Sensor/Switch High Voltage

P0524 Engine Oil Pressure Too Low

P0526 Engine Oil Temperature Sensor Circuit

P052A Cold Start "A" Camshaft Position Timing Over-Advanced (Bank 1)

P052B Cold Start "A" Camshaft Position Timing Over-Retarded (Bank 1)

P052C Cold Start "B" Camshaft Position Timing Over-Advanced (Bank 1)

Other Oil System codes

Other fault codes in the same system as P0527. The ones with detailed guides have plain-English explanations, symptoms, causes, and diagnostic steps.

P253F

Engine Oil Deteriorated Detailed guide

C1284

Oil Pressure Switch Failure

P0195

Engine Oil Temperature Sensor Malfunction

P0196

Engine Oil Temperature Sensor Range/Performance

P0197

Engine Oil Temperature Sensor Low

P0198

Engine Oil Temperature Sensor High

Spotted an issue or have something to add? Mechanics, technicians, and drivers who have first-hand experience with P0527 can submit a correction or expansion. We review every submission before publishing, mechanic submissions are prioritised.

Information only, not professional advice

The information on this page is provided for general guidance and educational purposes only. It is not a substitute for diagnosis or repair advice from a qualified mechanic. Always verify any fault before paying for repairs. carfaultcodes.co.uk accepts no liability for decisions made based on this information. Full terms →

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