OBDII Code List

P0656 SATURN - Fuel Level Output Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P0656 SATURN Possible Causes

  • Faulty Fuel Level Gauge
  • Fuel Level Gauge harness is open or shorted
  • Fuel Level Gauge circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

First diagnose P0656 SATURN code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the P0656 SATURN code

    Labor: 1.0

    The cost of diagnosing the P0656 SATURN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the P0656 SATURN code detected?

If the fault detection circuit senses a voltage other than what the PCM expects, the fault line status changes causing the P0656 code will set.

P0656 SATURN Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0656 Saturn Description

The Powertrain Control Module (PCM) controls the fuel gauge through the fuel gauge control circuit. The PCM supplies a pulse width modulated (PWM) duty cycle signal to control the fuel gauge. The PCM receives the fuel level information from the fuel level sensor.

The PCM controls the gauge by grounding the control circuit via an internal switch called a driver. The primary function of the driver is to supply the ground for the controlled component. Each driver has a fault line which the PCM monitors.

OBDII Code P0656 Saturn - Fuel Level Output Circuit Malfunction -

P0656 SATURN More Information

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