P1277 Nissan Sentra OBD Code

OBD/2 P1277 error code description and symptoms.

Engine Coolant Temperature (ECT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. The ECT sensor maximum is 4.6 volts or -50 C (-58 F). Note on some vehicles that are not equipped with an ECT sensor, CHT can be used and can set this DTC. Open circuit in harness Sensor signal short to power Damaged PCM Improper harness connection Damaged sensor ECT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault.

Circuit High Input codes like P1277 are mostly caused by defective alternators that develop excessive voltages, although there may be other causes as well, such as short circuits that 'leak' current into a particular system from other, unrelated systems that work on higher voltages. Note that in the case of short circuits that leak power into a control circuit, there is likely to be other, seemingly unrelated trouble codes present along with the code(s) being investigated. Diagnosing a 'high input' code will always involve a thorough testing of the charging system as a first step, followed by measures to isolate the system from all other possible sources of power during resistance, continuity, and reference voltage tests.

P1277 Nissan Sentra Error Code Repair Process :

The scent may P1277 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such P1277, so if the inside of your car p1277 cylinder #7 high to low side open as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Common Causes of Nissan Sentra P1277 OBD2 Code

A common cause of code P1277 is the failure of P1277 Cylinder #7 High To Low Side Open, but there are several other possible causes as well, such as ;

Engine Control Module (ECM)
Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
Faulty Variable Camshaft Timing (VCT) position solenoid
Faulty spark plug (s)

P1277 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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P1277 Nissan Sentra OBD Code

P1277 Nissan Sentra Error Code Repair Process :

Common Causes of Nissan Sentra P1277 OBD2 Code

P1277 code for other Nissan cars