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Error Code P1706 – Symptoms, Causes and Solutions.

This Error Code P1706 is a generic trouble code, meaning it applies to all vehicles equipped with the system OBD-II, especially vehicles manufactured from 1996 to the present.

 

Specifications on the definition, solution of problems and repairs They vary from one make and model to another.

Error Code P1706 (Definition)

The gear lever is used to activate or deactivate the gearbox ratios as necessary. For vehicles with a manual transmission, this lever is used to change gears. This is an action that is usually performed while depressing the clutch to free the engine from the transmission and wheels.

Reads: P2610 OBD-II Error Code: ECM/PCM Internal Engine Shutdown Timer Performance

When the shift position is Q or N, the park/neutral position switch is activated. The ECM (Engine Control Module) detects this position due to line continuity.

 

PNP switch assembly (park/neutral position) It also signals a transmission range switch, so it is possible to detect the position of the shift lever.

He diagnostic code P1706 OBDII is used by the Infiniti and Nissan manufacturers to indicate that the engine position switch signal park/neutral It does not change in the process of starting and driving the vehicle.

Common symptoms

Like other error codes, this code activates the Check Engine light and logs the code to the vehicle’s system.

Symptoms of a P1706 include:

  • Inability to start the engine
  • The engine will start with the shift lever in neutral but not in park
  • The engine will start in any gear

Possible causes

There are a couple of possible common causes of this Error code: an open signal line or switch failure. In other cases, it could also be due to:

  • A switch park/neutral defective
  • Switch of park/neutral maladjusted
  • An open or shorted park/neutral switch harness
  • A poor electrical connection in the park/neutral switch circuit

What is the cost of diagnosing the P1706 code?

The cost for diagnosing code P1706 is 1.0 hours of work. Shops’ diagnostic time and labor rates vary depending on location, vehicle makes and model, and even engine type. Most auto repair shops charge between $75 and $150 per hour.

How to check it

As with many error codes, diagnosing this code begins with the use of a scan tool AutoHex II.

The malfunction is detected when the engine is turned on, the voltage of IG1 is more than 10.5V, and the input voltage of VBU to TCM is less than 6V for at least 2 seconds.

How to fix it

Common fixes for this code include:

  • Consult the Technical Service Bulletins.
  • Check for common deficiencies in the park/neutral switch circuit. If you discover burns, corrosion, or wear on circuit cables or connectors, make repairs.
  • Measure the voltages of the park/neutral switch circuit and verify that they are adequate for the proper functioning of the circuit. If voltages causing an open or short circuit have been detected, repairs are required.
  • Check that the installation of the switch park/neutral does not present inconsistencies. If necessary, adjust the switch.
  • If he code P1706 continues to appear after carrying out the checks, the park/neutral position may be in poor condition.

Fixing this error code is relatively easy. Simply raise the vehicle with a jack and place a stand for added security. Next, unplug the wiring plug as well as the sensor and replace it with a new one.

Prepare your new sensor or put your thumb over the top of the hole to keep the oil in when you take out the sensor. Also, be sure to check the plug and wiring to make sure they are not corroded or wet.

If you want to know other articles similar to Error Code P1706 – Transmission Range Control Switch Circuit Open. you can visit the category Fault Codes.

 

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