P1231 AUDI – Cylinder 7 Injector Circuit Short to Ground

P1231 AUDI Possible Causes

  • Faulty fuel injector 7
  • Fuel injector 7 harness is open or shorted
  • Poor electrical connection in fuel injector 7 circuit
 

How to Fix P1231 AUDI Code?

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

 
 

Possible Symptoms

  • Engine light on (or service engine soon warning light)
 

P1231 AUDI Meaning

Cylinder 7 Injector Circuit Short To Ground is the generic description for Audi P1231 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the Audi P1231 OBDII code.

P1231 BUICK – Cylinder 4 Injector Circuit Intermittent

P1231 BUICK Possible Causes

  • Faulty fuel injector 4
  • Fuel injector 4 harness is open or shorted
  • Poor electrical connection in fuel injector 4 circuit

How to Fix Code P1231 BUICK?

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

Possible Symptoms

  • Engine light on (or service engine soon warning light)

P1231 BUICK Meaning

Cylinder 4 injector circuit intermittent is the generic description for code P1231 Buick, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have more information about the P1231 Buick OBDII code.

P1231 CADILLAC – Cylinder 4 injector circuit intermittent

P1231 CADILLAC Possible Causes

  • Faulty fuel injector 4
  • Fuel injector 4 harness is open or shorted
  • Fuel injector 4 circuit poor electrical connection
 

How to Fix Code P1231 CADILLAC?

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

 
 

Possible Symptoms

  • Engine light on (or service engine soon warning light)
 

P1231 CADILLAC Meaning

Injector Circuit Cylinder 4 Intermittent is the generic description for code P1231 Cadillac, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about Cadillac OBDII code P1231.

P1231 CHEVROLET – Cylinder 4 Injector Circuit Intermittent

P1231 CHEVROLET Possible Causes

  • Faulty fuel injector 4
  • Fuel injector 4 harness is open or shorted
  • Poor electrical connection in fuel injector 4 circuit

How to Fix Code P1231 CHEVROLET?

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

Possible Symptoms

  • Engine light on (or service engine soon warning light)

P1231 CHEVROLET Meaning

Cylinder 4 injector circuit intermittent is the generic description for Chevrolet code P1231, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have any further information about Chevrolet OBDII code P1231.

P1231 FORD – High Speed Fuel Pump Relay Activated

P1231 FORD Possible Causes

  • Faulty high-speed fuel pump
  • High-speed fuel pump wiring harness is open or short-circuited
  • Poor electrical connection in the high-speed fuel pump circuit
 

How to Fix P1231 FORD Code?

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

 
 

Possible Symptoms

  • Engine light on (or engine service warning light soon)
 

P1231 FORD Meaning

The Engine Control Module (ECM) has powered the high-speed fuel pump and detected no current flow in the circuit.

P1231 GMC – Cylinder 4 Injector Circuit Intermittent

P1231 GMC Possible Causes

  • Faulty fuel injector 4
  • Fuel injector 4 harness is open or shorted
  • Poor electrical connection in fuel injector 4 circuit

How to Fix GMC Code P1231?

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

Possible Symptoms

  • Engine light on (or service engine soon warning light)

P1231 GMC Meaning

Cylinder 4 Injector Circuit Intermittent is the generic description for GMC code P1231, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about OBDII code P1231 GMC.

P1231 LAND-ROVER – High-Speed Fuel Pump Relay Activated

P1231 LAND-ROVER Possible Causes

  • Faulty high-speed fuel pump
  • High-speed fuel pump wiring harness open or shorted
  • Poor electrical connection in high-speed fuel pump circuit

How to Fix P1231 LAND-ROVER Code?

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

Possible Symptoms

  • Check Engine Light on (or service engine soon warning light)

P1231 LAND-ROVER Meaning

The Engine Control Module (ECM) has powered the high-speed fuel pump and detected no current flow in the circuit.

P1231 LINCOLN – High Speed Fuel Pump Relay Activated

P1231 LINCOLN Possible Causes

  • Faulty high-speed fuel pump
  • High-speed fuel pump wiring harness is open or shorted
  • Poor electrical connection in the high-speed fuel pump circuit

How to Fix P1231 LINCOLN Code?

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

Possible Symptoms

  • Engine light on (or engine service warning light soon)

P1231 LINCOLN Meaning

The Engine Control Module (ECM) has powered the high-speed fuel pump and detected no current flow in the circuit.

P1231 MERCURY – High Speed Fuel Pump Relay Activated

P1231 MERCURY Possible Causes

  • Faulty high-speed fuel pump
  • High-speed fuel pump wiring harness open or shorted
  • Poor electrical connection in the high-speed fuel pump circuit
 

How to Fix Code P1231 MERCURY?

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

 
 

Possible Symptoms

  • Engine light on (or engine service warning light soon)
 

P1231 MERCURY Meaning

The Engine Control Module (ECM) has powered the high-speed fuel pump and detected no current flow in the circuit.

P1231 MITSUBISHI – Active Stability Control Plausibility

P1231 MITSUBISHI Possible Causes

  • Faulty active stability system
  • Active stability system harness is open or shorted
  • Poor electrical connection in active stability system circuit
 

How to Fix MITSUBISHI Code P1231?

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

 
 

Possible Symptoms

  • Engine light on (or service engine soon warning light)
 

P1231 MITSUBISHI Meaning

Active Stability Control Plausibility is the generic description for Mitsubishi code P1231, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about Mitsubishi OBDII code P1231.