P1251 VOLKSWAGEN – Cold Start Injector Start Short to Positive

P1251 VOLKSWAGEN Possible Causes

  • Faulty cold start injector
  • Cold start injector harness is open or shorted
  • Poor electrical connection in cold start injector circuit

How is the P1251 VOLKSWAGEN 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

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

P1251 VOLKSWAGEN Meaning

Cold start injector start short to positive is the generic description for Volkswagen P1251 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the Volkswagen P1251 OBDII code.

P1252 – Vacuum Reservoir Solenoid Short Circuit

P1252 – Diagnosis and Solutions


🔧 Possible Causes
⚠️ Common issues to check:

  • 🧲 Faulty vacuum reservoir solenoid
  • 🔌 Damaged wiring harness (open or short circuit)
  • 🔋 Faulty electrical connection (corrosion, broken pins)

🛠️ Repair Procedure
🔄 Key steps to resolve code P1252:

  1. 🔍 Visual inspection:
  • Check wiring harness and connectors (look for corrosion, cut wires, bent pins).
  1. 🧪 Solenoid testing:
  • Measure solenoid resistance/voltage to detect malfunction.
  1. Circuit check:
  • Identify potential short to ground using a multimeter.
  1. 🔄 Replacement/Repair:
  • Replace solenoid or repair wiring harness as needed.

🚨 Common Symptoms
Warning signs:

  • 🚦 Check engine light on (or “Service Engine Soon” warning)
  • ⚠️ Emission system malfunction

📖 Meaning of Code P1252
🔌 Technical interpretation:

  • The ECM detects a short to ground in the vacuum reservoir solenoid control circuit.
  • 🛑 This fault may disrupt the emission control system (e.g., fuel vapor purge).

⚠️ Important Tip

  • 🔧 For Dodge vehicles, consult manufacturer-specific data for your model.
  • 📲 Use an advanced OBD2 scanner for accurate diagnostics.

P1252 AUDI – Cold Start Injector Open / Short to Ground

P1252 AUDI Possible Causes

  • Faulty cold start injector
  • Cold start injector harness is open or shorted
  • Poor electrical connection in the cold start injector circuit

How is code P1252 AUDI 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

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

P1252 AUDI Meaning

Cold start injector open/short-to-ground is the generic description for Audi P1252 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the Audi P1252 OBDII code.

P1252 BMW – Boost Pressure Actuator Short to Ground

P1252 BMW Possible Causes

  • Faulty boost pressure air actuator
  • Boost pressure air actuator wiring harness is open or short-circuited
  • Poor electrical connection in the boost pressure air actuator circuit

How is BMW P1252 Code Repair Performed?

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)

P1252 BMW Meaning

Boost Pressure Air Actuator Shorted to Ground is the generic description for the P1252 BMW code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the P1252 BMW OBDII code.

P1252 CHRYSLER – Vacuum Reservoir Solenoid Short Circuit

P1252 CHRYSLER Possible Causes

  • Faulty vacuum reservoir solenoid
  • Vacuum reservoir solenoid harness is open or shorted
  • Poor electrical connection in vacuum reservoir solenoid circuit

How is P1252 CHRYSLER Code Repair Performed?

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

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

P1252 CHRYSLER Meaning

The Engine Control Module (ECM) has detected a short to ground in the vacuum reservoir solenoid control circuit

P1252 DODGE – Vacuum Reservoir Solenoid Short Circuit

P1252 DODGE Possible Causes

  • Faulty vacuum reservoir solenoid
  • Vacuum reservoir solenoid harness is open or shorted
  • Poor electrical connection in the vacuum reservoir solenoid circuit

How is the P1252 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

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

P1252 DODGE Meaning

The Engine Control Module (ECM) has detected a short to ground in the vacuum reservoir solenoid control circuit

P1252 FORD – Fuel Pressure Control Solenoid 2 Malfunction

P1252 FORD Possible Causes

  • Faulty Fuel Pressure (FP) Control Solenoid Valve 2
  • FP Control Solenoid Valve 2 harness is open or shorted
  • Poor electrical connection in FP Control Solenoid Valve 2 circuit

How is the P1252 FORD 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

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

P1252 FORD Meaning

Fuel Pressure Control Solenoid Valve 2 Malfunction is the generic description for Ford code P1252, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the Ford P1252 OBDII code.

P1252 JEEP – Vacuum Reservoir Solenoid Short Circuit

P1252 JEEP Possible Causes

  • Faulty vacuum reservoir solenoid
  • Vacuum reservoir solenoid harness is open or shorted
  • Poor electrical connection in vacuum reservoir solenoid circuit

How is code P1252 JEEP 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

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

P1252 JEEP Meaning

The Engine Control Module (ECM) detected a short to ground in the vacuum reservoir solenoid control circuit

P1252 KIA – Malfunction in Pressure Regulator Control Solenoid Valve Circuit No. 2

P1252 KIA Possible Causes

  • Faulty pressure regulator control solenoid valve
  • Pressure regulator control solenoid valve harness is open or shorted
  • Poor electrical connection in the pressure regulator control solenoid valve circuit

How is the P1252 KIA 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

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

P1252 KIA Meaning

Pressure Regulator Control Solenoid Valve Circuit Malfunction #2 is the generic description for the P1252 Kia code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information on the P1252 Kia OBDII code.

P1252 MAZDA – Malfunction of Fuel Pressure Control Solenoid Valve 2

P1252 MAZDA Possible Causes

  • Faulty Fuel Pressure (FP) Control Solenoid Valve 2
  • FP Control Solenoid Valve 2 harness is open or shorted
  • Poor electrical connection in FP Control Solenoid Valve 2 circuit

How is the P1252 MAZDA 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

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

P1252 MAZDA Meaning

Fuel Pressure Control Solenoid Valve 2 Malfunction is the generic description for Mazda code P1252, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the Mazda P1252 OBDII code.