OBD Guide
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P064E

Internal Control Module O2 Sensor Processor Performance Bank 2

P064E is an OBD-II diagnostic trouble code meaning: Internal Control Module O2 Sensor Processor Performance Bank 2. Common causes: internal ecu processor fault (o2 processing bank 2), overheating, moisture or mechanical damage to the ecu. Estimated repair cost: $33–889.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–889 (est.)

Symptoms

  • Check Engine light comes on
  • Increased fuel consumption
  • Uneven composition of exhaust gases
  • Bank 2 O2 Sensor Codes
  • Possible overheating or failure of the bank 2 catalytic converter

Causes

  • Internal ECU processor fault (O2 processing bank 2)
  • Overheating, moisture or mechanical damage to the ECU
  • Power surge damaging internal circuits
  • ECU manufacturing defect
  • Vibration damage to the ECU board

How to Fix

  1. Check the serviceability of bank 2 O2 sensors and their wiring
  2. Compare O2 readings of bank 1 and bank 2 on the scanner in real time
  3. Verify that there are no external causes for abnormal bank 2 O2 readings
  4. Check the power and ground of the ECU
  5. ECU diagnostics using specialized equipment
  6. If confirmed, repair or replacement of the ECU

Related codes

P064DP0150P0151P0152P0153P0155

Error P064E by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P064E code mean?

P064E is an OBD-II diagnostic trouble code that indicates: Internal Control Module O2 Sensor Processor Performance Bank 2

What causes a P064E error code?

The most common causes of P064E include: Internal ECU processor fault (O2 processing bank 2); Overheating, moisture or mechanical damage to the ECU; Power surge damaging internal circuits; ECU manufacturing defect.

How do I fix a P064E diagnostic trouble code?

To fix P064E: Check the serviceability of bank 2 O2 sensors and their wiring. Compare O2 readings of bank 1 and bank 2 on the scanner in real time. Verify that there are no external causes for abnormal bank 2 O2 readings. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P064E?

Limited driving only, diagnose soon

How much does it cost to fix P064E?

The estimated repair cost for P064E is $33–889. Actual cost depends on your vehicle, location, and labor rates.

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