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P02302014 Model Year TelemetryCritical Severity

P0230 on 2014 Chevrolet Silverado

Fuel Pump Primary Circuit Malfunction

Technical troubleshooting wire for fault code P0230 specifically tailored for the 2014 Chevrolet Silverado. Includes wiring sensor pinouts, freeze frame PID parameters, and step-by-step diagnostic tree.

2014 Engine Control Module (ECM) Specific Calibration
Chevrolet Silverado2014 Silverado
2014 Chevrolet Silverado
Truck5.3L / 6.2L EcoTec3 V8 & 2.7L Turbo / 3.0L Duramax Diesel
2014 Stats
Vehicle
2014 Silverado
5.3L / 6.2L EcoTec3 V8 & 2.7L Turbo / 3.0L Duramax Diesel
ECU Subsystem
Automotive OBD-II
SAE Mode $01 & $02
Est. Repair Cost
$100 - $650 (DIY: $20 - $180)
OEM Parts & DIY
Urgency Level
Critical
Tow to Shop
Switch Silverado Model Year for P0230

Common 2014 Silverado Symptoms

  • Engine cranks but will not start (No fuel delivery)
  • Engine suddenly dies while driving and won't restart
  • Check Engine Light illuminated
  • No fuel pump humming sound from gas tank when key is turned ON

Likely Root Causes on 2014 Silverado

  • Blown fuel pump fuse or burnt fuel pump relay
  • Open or shorted control circuit wiring between PCM and fuel pump relay
  • Faulty Fuel Pump Driver Module (FPDM)
  • Corroded ground wire near fuel tank
  • Failing in-tank electric fuel pump

Step-by-Step Fix Protocol for 2014 Chevrolet Silverado

Step 1: Scan & Record Freeze Frame Data

Connect an OBD-II scanner to the DLC port under the driver dashboard. Record engine RPM, Short Term / Long Term Fuel Trim (STFT/LTFT), and engine coolant temperature at the moment P0230 set.

Step 2: Inspect Wiring Harness & Pin Voltages

Inspect the sensor connector on the 2014 Silverado engine bay. Use a multimeter to verify reference voltage (5.0V / 12.0V) and ground continuity.

Step 3: Component Replacement & PCM Reset

Replace the verified defective component using OEM or equivalent grade parts. Clear DTC P0230 and complete an EPA drive cycle to verify readiness monitors set to READY.

Recommended Parts & Testing Tools

Equipment for Diagnosing 2014 Chevrolet Silverado (P0230)

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2014 Chevrolet Silverado OEM Replacement Sensor

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Direct-fit replacement assembly engineered to OEM tolerances for 2014 Chevrolet Silverado.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

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BlueDriver Bluetooth Pro OBDII Scan Tool

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Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

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