OBD Guide
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U069C

Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 3

U069C is an OBD-II diagnostic trouble code meaning: Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 3. Common causes: open or short circuit in the sensor circuit, malfunction of the exhaust gas temperature sensor itself. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • The Check Engine light on the dashboard comes on
  • Possible reduction in engine power
  • Deteriorating fuel economy
  • Unstable engine operation at idle
  • Errors related to exhaust gas treatment systems

Causes

  • Open or short circuit in the sensor circuit
  • Malfunction of the exhaust gas temperature sensor itself
  • Problems with the sensor connector (oxidation, damage)
  • Malfunction of the engine control unit (rare)
  • Wiring harness damage

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Check the sensor connector for damage or oxidation
  3. Check sensor resistance (compare with manufacturer specifications)
  4. If necessary, replace the exhaust gas temperature sensor
  5. Check for ECU firmware updates

Related codes

U069BU069DP0546

Error U069C by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the U069C code mean?

U069C is an OBD-II diagnostic trouble code that indicates: Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 3

What causes a U069C error code?

The most common causes of U069C include: Open or short circuit in the sensor circuit; Malfunction of the exhaust gas temperature sensor itself; Problems with the sensor connector (oxidation, damage); Malfunction of the engine control unit (rare).

How do I fix a U069C diagnostic trouble code?

To fix U069C: Check the integrity of the wiring to the sensor. Check the sensor connector for damage or oxidation. Check sensor resistance (compare with manufacturer specifications). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U069C?

Yes, but get it checked soon

How much does it cost to fix U069C?

The estimated repair cost for U069C is $17–67. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat