OBD Guide
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P2788

Auto Shift Manual Adaptive Learning at Limit

P2788 is an OBD-II diagnostic trouble code meaning: Auto Shift Manual Adaptive Learning at Limit. Common causes: wear of automatic transmission friction elements, low level or deterioration of transmission fluid. Estimated repair cost: $17–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–278 (est.)

Symptoms

  • Hard or delayed manual shifts
  • Shifting to neutral when trying to manually shift
  • Check Engine Light Illuminates
  • Reduced vehicle dynamics
  • Activation of emergency operation mode of automatic transmission

Causes

  • Wear of automatic transmission friction elements
  • Low level or deterioration of transmission fluid
  • Problems with shift solenoids
  • Malfunctions of automatic transmission shaft speed sensors
  • Software errors in the transmission ECU

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the condition of automatic transmission solenoids and sensors
  3. Perform hardware diagnostics of the transmission ECU
  4. Carry out the automatic transmission adaptive learning procedure using a scanner
  5. If necessary, replace worn transmission components

Related codes

P2787P2789P2790

Error P2788 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P2788 code mean?

P2788 is an OBD-II diagnostic trouble code that indicates: Auto Shift Manual Adaptive Learning at Limit

What causes a P2788 error code?

The most common causes of P2788 include: Wear of automatic transmission friction elements; Low level or deterioration of transmission fluid; Problems with shift solenoids; Malfunctions of automatic transmission shaft speed sensors.

How do I fix a P2788 diagnostic trouble code?

To fix P2788: Check the level and condition of the transmission fluid. Diagnose the condition of automatic transmission solenoids and sensors. Perform hardware diagnostics of the transmission ECU. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2788?

Limited driving only, diagnose soon

How much does it cost to fix P2788?

The estimated repair cost for P2788 is $17–278. Actual cost depends on your vehicle, location, and labor rates.

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