ShopBaseFree forever shop management software for auto repair shops
Try ShopBase Free →
Home/DTC Codes/Porsche/Panamera/2010-2016 3.6L V6/P1501
P1501

Fuel Pump Relay Circuit Short to Positive

2010-2016 Porsche Panamera 3.6L V6

High SeverityPowertrain

Description

The ECU detected a short to positive voltage in the fuel pump relay control circuit. The fuel pump relay cannot be properly controlled, which may cause the fuel pump to run continuously or not at all.

Symptoms

  • Check Engine Light
  • Fuel pump may run continuously
  • No-start condition if relay stuck open
  • Fuel smell if pump runs with engine off

Common Causes

  • Wiring shorted to battery voltage
  • Faulty fuel pump relay
  • Relay socket corrosion
  • ECU relay driver failure

Diagnostic Steps

  1. Test fuel pump relay operation
  2. Check relay control circuit for shorts to power
  3. Inspect relay socket and wiring
  4. Test ECU relay output
  5. Swap relay with known-good unit

Repair Notes

Replace the fuel pump relay and repair any shorted wiring.

Related Codes

P0230Fuel Pump Primary Circuit MalfunctionP0231Fuel Pump Secondary Circuit LowP0232Fuel Pump Secondary Circuit HighP1502Theft Deterrent System - No Password ReceivedP1502Theft Deterrent System - No Password ReceivedP1502Theft Deterrent System - No Password ReceivedP1502Theft Deterrent System - No Password ReceivedP1502Theft Deterrent System - No Password ReceivedP1502Theft Deterrent System - No Password ReceivedP1502Theft Deterrent System - No Password ReceivedP1502Theft Deterrent System - No Password ReceivedP1502Fuel Pump Relay Circuit Short to GroundP1502Fuel Pump Relay Circuit Short to GroundP1502Fuel Pump Relay Circuit Short to GroundP1502Fuel Pump Relay Circuit Short to GroundP1502Fuel Pump Relay Circuit Short to Ground

Other Powertrain Codes

P1501 on Other Vehicles

Porsche 718 Boxster

2017-2024 2.0L H4 Turbo

Porsche 718 Boxster

2017-2024 2.0L Turbo H4

Porsche 718 Boxster GTS

2020-2024 4.0L H6

Porsche 718 Boxster S

2017-2024 2.5L Turbo H4

Porsche 718 Cayman

2017-2024 2.0L H4 Turbo

Porsche 718 Cayman

2017-2024 2.0L Turbo H4

Porsche 718 Cayman GT4

2019-2024 4.0L H6

Porsche 718 Cayman GTS

2020-2024 4.0L H6

Common Questions

What does code P1501 mean on a 2010-2016 Porsche Panamera?

P1501 stands for "Fuel Pump Relay Circuit Short to Positive". The ECU detected a short to positive voltage in the fuel pump relay control circuit. The fuel pump relay cannot be properly controlled, which may cause the fuel pump to run continuously or not at all.

What are the symptoms of P1501 on a Porsche Panamera?

Common symptoms of P1501 include: Check Engine Light, Fuel pump may run continuously, No-start condition if relay stuck open, Fuel smell if pump runs with engine off.

What causes P1501 on a 2010-2016 Porsche Panamera?

Common causes of P1501 include: Wiring shorted to battery voltage, Faulty fuel pump relay, Relay socket corrosion, ECU relay driver failure.

View Labor Times | View Torque Specs | View Fluid Specs