P1985 Holden Hr OBD Code

OBD/2 P1985 error code description and symptoms.

The Throttle Position sensor signals the Engine Control Module as to the current position of the engine throttle valve.
The current throttle valve opening is based on the driver's input from the gas pedal. The ECM uses the information from this sensor to help calculate fuel delivery and spark timing.

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

P1985 Holden Hr Error Code Repair Process :

For exhaust gas recirculation sensor a circuit low check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. P1985 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks exhaust gas recirculation sensor a circuit low with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Holden Hr P1985 OBD2 Code

A common cause of code P1985 is the failure of Exhaust Gas Recirculation Sensor A Circuit Low, but there are several other possible causes as well, such as ;

Damaged ECM
Engine Control Module (ECM)
Improper ignition timing
Starting system circuit Dead (Weak) battery

P1985 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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P1985 Holden Hr OBD Code

P1985 Holden Hr Error Code Repair Process :

Common Causes of Holden Hr P1985 OBD2 Code

P1985 code for other Holden cars