P1011 CHEVROLET – Camshaft Position Actuator Park Position, Bank 1

P1011 CHEVROLET Possible Causes

  • Turning off the engine while the accelerator pedal is pressed
  • Turning off the engine while driving
  • Pressing the accelerator pedal to start the engine
  • Engine idle flare during startup
  • An actuator that is in full advance or retard position

How is P1011 CHEVROLET Code Repaired?

Start by checking 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 connector pins.

Possible Symptoms

Check engine light on (or service engine soon warning light)

P1011 CHEVROLET Meaning

Intake Camshaft Position Park Position Actuator Bank 1 is the generic description for Chevrolet code P1011, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we don’t have more information about the OBDII P1011 Chevrolet code.

P1011 CHRYSLER – Fuel Pump Discharge Pressure Too Low

P1011 CHRYSLER Possible Causes

-Fuel leak

-Fuel filter

-Transfer pump flow

-High pressure fuel pump

-Leaking fuel injectors or connectors

-Pressure limiting valve

-Fuel control actuator

-Fuel pressure sensor

-Restriction in fuel return lines

-Cascade overflow valve

-Air in fuel system

How is P1011 CHRYSLER Code Repaired?

Start by checking the “possible causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Check engine light on (or service engine soon warning light)

P1011 CHRYSLER Meaning

When code P1011 is set, the engine control module (ECM) detects that the fuel pump discharge pressure is low.

P1011 DODGE – Fuel Pump Discharge Pressure Too Low

P1011 DODGE Possible Causes

-Fuel leak -Fuel filter -Transfer pump flow -High pressure fuel pump -Leaking fuel injectors or connectors -Pressure limiting valve -Fuel control actuator -Fuel pressure sensor -Restriction in fuel return lines -Cascade overflow valve -Air in fuel system

How is P1011 DODGE Code Repaired?

Start by checking the “possible causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Check engine light on (or service engine soon warning light)

P1011 DODGE Meaning

When code P1011 is set, the engine control module (ECM) detects that the fuel pump discharge pressure is low.

P1011 GMC – Camshaft Position Actuator Park Position, Bank 1

P1011 GMC Possible Causes

  • Turning off the engine while the accelerator pedal is pressed
  • Turning off the engine while driving
  • Pressing the accelerator pedal to start the engine
  • Engine idle flare during startup
  • An actuator that is in full advance or retard position

How is P1011 GMC Code Repaired?

Start by checking 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 connector pins.

Possible Symptoms

Check Engine Light illuminated (or Service Engine Soon warning light)

P1011 GMC Meaning

Intake Camshaft Position Actuator Park Position 1 is the generic description for GMC code P1011, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we do not have further information about the OBDII P1011 GMC code.

P1011 JEEP – Fuel Pump Discharge Pressure Too Low

P1011 JEEP Possible Causes

-Fuel leak -Fuel filter -Transfer pump flow -High pressure fuel pump -Leaking fuel injectors or connectors -Pressure limiting valve -Fuel control actuator -Fuel pressure sensor -Restriction in fuel return lines -Cascade overflow valve -Air in the fuel system.

How is P1011 JEEP Code Repaired?

Start by checking the “possible causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Check engine light illuminated (or service engine soon warning light)

P1011 JEEP Meaning

When code P1011 is set, the engine control module (ECM) detects that the fuel pump discharge pressure is low.

P1011 SAAB – Injector 1 Low Output

How is the P1011 SAAB Code Repaired?

Start by checking the “possible causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Check Engine Light illuminated (or Service Engine Soon warning light)

P1011 SAAB Meaning

Injector 1 low output is the generic description for the P1011 Saab code, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have more information about the Saab P1011 OBDII code.

P1011 SUZUKI – Camshaft Position Actuator Park Position, Bank 1

P1011 SUZUKI Possible Causes

  • Engine oil level
  • Dirty engine oil
  • Faulty camshaft actuator
  • Blocked camshaft position actuator oil passages

How is P1011 SUZUKI Code Repaired?

Start by checking 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 connector pins.

What Does It Mean?

Before replacing parts, check the engine oil level and condition. If necessary, replace the engine oil and filter with a factory-recommended oil weight.

Possible Symptoms

Engine light on (or service engine soon warning light)

P1011 SUZUKI Meaning

Intake camshaft position actuator park position 1 is the generic description for code P1011 Suzuki, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the Suzuki P1011 OBDII code.

P1012 – Fuel Pump Discharge Pressure Too High

Code Meaning

The engine control module (ECM) has detected an abnormally high fuel pressure in the high-pressure circuit. This issue typically occurs when the actual pressure exceeds the manufacturer’s specified setpoint.


Possible Causes

(Ranked by frequency and severity)

  1. Mechanical Failures:

    • Stuck/seized pressure limiting valve

    • Restriction in the fuel return lines (bent, crushed, or clogged hoses)

    • Faulty cascade overflow valve

    • Failed high-pressure (HP) fuel pump (over-delivery)

  2. Electrical Issues:

    • Faulty fuel pressure sensor (sending incorrect values to the ECM)

    • Failed fuel control actuator (no longer modulates flow)

    • Wiring problems: Damaged wires, corroded connectors, broken pins

  3. Other Sources:

    • Leaking injectors or fittings (disrupt pressure regulation)

    • Air in the fuel system (cavitation)

    • Clogged fuel filter (rare but possible)

    • Excessive transfer pump flow (low pressure)


Observable Symptoms

  • ⚠️ Check engine light on (MIL)

  • Loss of engine power

  • Unstable idle or vibrations

  • Abnormal noises (metallic knocking) in the fuel circuit

  • Increased fuel consumption


Diagnostic Procedure

(Follow this logical hierarchy)

  1. Preliminary Checks (without tools):

    • Check for visible fuel leaks (injectors, fittings).

    • Inspect return lines: ensure no bends/obstructions.

    • Examine electrical connectors (pressure sensor, actuator): corrosion, bent pins.

  2. Basic Diagnosis (with OBD2 tool):

    • Read real-time fuel pressures (compare HP sensor value with ECM setpoint).

    • Check for related fault codes (e.g., P0087, P0190).

  3. Advanced Tests (requires professional equipment):

    • Test the limiting valve: electrical resistance and response to commands.

    • Measure fuel return flow (insufficient flow indicates obstruction).

    • Check the HP pump: delivery pressure vs. manufacturer specifications.

    • Perform a leak test on the high-pressure circuit.


Repair Solutions

Likely Cause Recommended Action
Stuck limiting valve Replace the pressure regulating valve
Obstructed return line Clean or replace faulty hoses
Failed pressure sensor Replace sensor + recalibrate system
Injector leaks Tighten fittings or replace seals/injectors
Faulty actuator Replace fuel control actuator
Defective HP pump Check flow and replace if necessary

Key Technical Data

  • Activation threshold: Code P1012 registers when pressure exceeds > 10-15% of ECM setpoint for > 2 seconds.

  • Impact: Risk of damage to injector seals or common rail.

  • Good to know: 70% of cases are related to the limiting valve or return lines (manufacturer statistics).

Critical recommendation: Always bleed the fuel circuit after repair to remove residual air. Use a diagnostic tool to reset ECM adaptations.

P1012 BMW – Valvetronic Eccentric Shaft Sensor Reference

P1012 BMW Possible Causes

  • Faulty Valvetronic eccentric shaft sensor
    Valvetronic eccentric shaft sensor wiring harness is open or short-circuited
    Poor electrical connection in the Valvetronic eccentric shaft sensor circuit
    Missing reluctor on the Valvetronic eccentric shaft sensor

How is BMW P1012 Code Repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Check engine light on (or service engine soon warning light)

P1012 BMW Meaning

Valvetronic Eccentric Shaft Sensor Reference is the generic description for BMW P1012 code, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we don’t have more information about the OBDII P1012 BMW code.

P1012 BUICK – Camshaft Position Actuator Position, Park Position, Bank 1

P1012 BUICK Possible Causes

  • Engine stalling while the accelerator pedal is pressed
  • Engine stalling during driving
  • Pressing the accelerator pedal to start the engine
  • An actuator that is in full advance or retard position

How is the P1012 BUICK code repaired?

Start by checking the “possible causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Check engine light illuminated (or service engine soon warning light)

P1012 BUICK Meaning

Camshaft Exhaust Position Actuator Park Position Bank 1 is the generic description for Buick code P1012, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have more information about the OBDII P1012 Buick code.