OBD Guide
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P1236

Fuel Pump Control Out Of Range

P1236 is an OBD-II diagnostic trouble code meaning: Fuel Pump Control Out Of Range. Common causes: fuel pump malfunction, problems with wiring or connectors. Estimated repair cost: $33–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Unstable engine operation
  • Power Loss
  • Difficulty starting the engine
  • Stalling engine
  • Increased fuel consumption

Causes

  • Fuel pump malfunction
  • Problems with wiring or connectors
  • Fuel pump relay malfunction
  • Damage to the fuel pump control module
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the voltage and resistance of the fuel pump
  2. Inspect wiring and connectors for damage
  3. Check the operation of the fuel pump relay
  4. Test the fuel pump control module
  5. If necessary, replace faulty components

Related codes

P1237P1238P0230

Error P1236 by Vehicle Brand

FordJaguarLincolnMazdaMercury

FAQ

What does the P1236 code mean?

P1236 is an OBD-II diagnostic trouble code that indicates: Fuel Pump Control Out Of Range

What causes a P1236 error code?

The most common causes of P1236 include: Fuel pump malfunction; Problems with wiring or connectors; Fuel pump relay malfunction; Damage to the fuel pump control module.

How do I fix a P1236 diagnostic trouble code?

To fix P1236: Check the voltage and resistance of the fuel pump. Inspect wiring and connectors for damage. Check the operation of the fuel pump relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1236?

Limited driving only, diagnose soon

How much does it cost to fix P1236?

The estimated repair cost for P1236 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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