Powertrain, generic · Computer and auxiliary outputs

P069E Fuel Pump Control Module Requested MIL Illumination

Check engine lightOn
EmissionsRelevant
Drive cycleNot required
Limp modeNo

P069E is not a component fault but a notice in the engine module: the separate fuel pump control module has detected and stored an emission-related fault of its own and requests the check engine light – over serial data or, on older systems, a request line. GM uses it (2014–2019 tables) and lists P069E itself as 'type A, no MIL': the lamp is lit because of the fault in the pump module, not because of P069E. The actual cause must therefore be read from the fuel pump module's own memory – typically pump circuit, fuel pressure sensor, module overheating or supply. On GM diesels (2014) this module also controls the active grille shutters. Clear the code only after repairing the module's fault.

Likely causes

Fault in the fuel pump circuit (pump, wiring, ground) stored in the pump module
Fuel pressure sensor or its wiring or 5 V reference
Pump module faulty internally or overheated (corrosion, moisture)
Insufficient supply or ground of the pump module

Symptoms

  • Check engine light on
  • Possibly hard start, stumbling or lack of power from fuel supply problems
  • Further codes stored in the fuel pump module

Repair estimate

DifficultyMediumWorkshop job
Parts and labour€50–800
Time0.5–3 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

fuel pump control modulefuel pumpserial data line

Related codes

P0231P0232P023FP025AP064AP0700

References: law.cornell.edu, gsi.ext.gm.com, gsi.ext.gm.com, gsi.ext.gm.com.