What causes fault code P0288?

• Most likely: Short to ground in the wiring harness between injector 10 and the ECM • Likely: Defective fuel injector (internal short in the solenoid coil) • Possible: Damaged connector with moisture or corrosion (current leakage) • Rare: Internal Engine Control Module (ECM) failure

How do you fix fault code P0288?

STEP 1: Inspect the connector at injector 10 for corrosion, moisture, or bent pins. STEP 2: Measure the resistance (Ohms) of the fuel injector solenoid. Standard values are typically 12-16 Ohms (high-impedance) or 0.5-3 Ohms (low-impedance). A reading near 0 Ohms indicates an internal short. STEP 3: Perform a continuity test on the wiring harness between the injector and the ECM to check for shorts to ground. STEP 4: Use an oscilloscope to monitor the injection pulse (Duty Cycle) while the engine is running to verify ECM driver integrity. STEP 5: If the injector is faulty, replace the unit and clear all diagnostic trouble codes.

Powertrain (Engine & Gearbox)Standard EOBD

P0288 - Cylinder 10 Injector Circuit Low

Q: What are the symptoms of fault code P0288?

• Check engine light on (MIL) • Engine misfiring or rough idle (Cylinder 10 disabled) • Reduced engine power and poor acceleration • Increased fuel consumption • Hard starting conditions • Failed emissions test

Last updated:1 February 2026

Related:Fuel Injector Cylinder 10, Engine Control Module (ECM/PCM), Kablage och kontaktstycken, Fuel Relay

System

Powertrain (Engine & Gearbox)

Related Fault Codes

P0200

Injector Circuit Malfunction

P0201

Cylinder 1 Injector Circuit Open

P0202

Injector Circuit - Cylinder 2 - Malfunction

P0203

Injector Circuit - Cylinder 3

Technical Description

P0288 is stored when the Engine Control Module (ECM) detects a lower than expected voltage in the control circuit for the fuel injector on cylinder 10. This typically indicates a short circuit to ground within the wiring harness or the injector solenoid itself. The ECM monitors the voltage drop across the injector driver; if the voltage remains near 0V when the driver should be high (open circuit potential), the fault code is triggered to protect the internal ECM circuitry from excessive current draw.

Possible Causes

Short to ground in the wiring harness between injector 10 and the ECM

Defective fuel injector (internal short in the solenoid coil)

Damaged connector with moisture or corrosion (current leakage)

Internal Engine Control Module (ECM) failure

Symptoms

Check engine light on (MIL)

Engine misfiring or rough idle (Cylinder 10 disabled)

Reduced engine power and poor acceleration

Increased fuel consumption

Hard starting conditions

Failed emissions test

Do you also have
other fault codes?

See how P0288 connects with your other fault codes. Our advanced analysis tool identifies causal relationships and root causes directly.

Analyze multiple codes

P0288 - Cylinder 10 Injector Circuit Low

Related Fault Codes

Technical Description

Possible Causes

Symptoms

Recommended Solution

Workflow

Mechanic's Tip

Do you also have
other fault codes?

P0288 - Cylinder 10 Injector Circuit Low

Related Fault Codes

Technical Description

Possible Causes

Symptoms

Recommended Solution

Workflow

Mechanic's Tip

Do you also have other fault codes?

Do you also have
other fault codes?