OBD Guide
ENFRDEESPT

P0619

Alternative Fuel Control Module RAM/ROM Error

P0619 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Control Module RAM/ROM Error. Common causes: physical damage to ram or rom chips in the lpg module, incorrect reprogramming of the gas control module. Estimated repair cost: $22–222.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–222 (est.)

Symptoms

  • The Check Engine light comes on
  • Unstable operation on gas or failure to switch to gas
  • Increased gas consumption
  • Engine speed is unstable when running on gas
  • Errors in the HBO control unit

Causes

  • Physical damage to RAM or ROM chips in the LPG module
  • Incorrect reprogramming of the gas control module
  • Power surge that damaged module memory
  • Moisture getting into the connector or module housing
  • Vibration damage to memory chip soldering

How to Fix

  1. Read error codes from the LPG control module using a specialized scanner
  2. Check power and grounding of the alternative fuel control module
  3. Try reprogramming the module with the original firmware
  4. Inspect the connector and module housing for moisture and damage.
  5. If reprogramming fails, replace the LPG control module
  6. After replacement - complete adaptation of the system to the engine

Related codes

P0618P062FP0604P0605

Error P0619 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0619 code mean?

P0619 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Control Module RAM/ROM Error

What causes a P0619 error code?

The most common causes of P0619 include: Physical damage to RAM or ROM chips in the LPG module; Incorrect reprogramming of the gas control module; Power surge that damaged module memory; Moisture getting into the connector or module housing.

How do I fix a P0619 diagnostic trouble code?

To fix P0619: Read error codes from the LPG control module using a specialized scanner. Check power and grounding of the alternative fuel control module. Try reprogramming the module with the original firmware. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0619?

Do not drive — repair immediately

How much does it cost to fix P0619?

The estimated repair cost for P0619 is $22–222. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat