P2E1A

Drive Motor A Inverter Voltage Sensor A/B Correlation

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Reduced motor power
Switching to emergency mode
Check Engine Light Illuminates
Unstable operation of the hybrid system
Increased fuel consumption (in hybrids)

Causes

Voltage sensor A or B faulty
Problems with wiring to sensors
Inverter fault
Poor contact in connectors
Grounding problems

How to Fix

Check voltage sensor readings with a scanner
Inspect the wiring and sensor connectors
Check sensor resistance
Test the inverter operation
If necessary, replace faulty components

Related codes

P2E1B P2E19 P0AA6