P0A1D

Hybrid/EV Powertrain Control Module A

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–556 (est.)

Symptoms

Check Engine light comes on
Reduced vehicle power
Switching to emergency mode
Problems with switching driving modes
Increased fuel consumption

Causes

Malfunction of the hybrid control module
Problems with wiring to the module
Contact corrosion
Module software error
Module power problems

How to Fix

Check module memory error codes
Inspect the module wiring and connectors
Check power supply and grounding of the module
Update module software
If necessary, replace the control module

Related codes

P0A1E P0A1F P0A80