P2943 Chevrolet Monza OBD Code

OBD/2 P2943 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.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

P2943 Chevrolet Monza Error Code Repair Process :

The rule of P2943 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of wiper rear motor down relay coil circuit short to ground. Likewise, overriding the OBD P2943 error in system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.

Common Causes of Chevrolet Monza P2943 OBD2 Code

A common cause of code P2943 is the failure of Wiper Rear Motor Down Relay Coil Circuit Short To Ground, but there are several other possible causes as well, such as ;

Engine Control Module (ECM)
Faulty Intake Valve Timing Control Solenoid Valve
Faulty TCM or TCM programming
EVAP system hose leaking

P2943 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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P2943 Chevrolet Monza OBD Code

P2943 Chevrolet Monza Error Code Repair Process :

Common Causes of Chevrolet Monza P2943 OBD2 Code

P2943 code for other Chevrolet cars