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Powertrain

P1860

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

Scan worksheet →

Manufacturer communications

7

Original wording in English

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020730022B ↗

BUICK, CHEVROLET, OLDSMOBILE, PONTIAC, TOYOTA

SERVICE ENGINE SOON LIGHT ON WITH DIAGNOSTIC TROUBLE CODES P0716 AND / OR P0717, P0730, P0753, P0758, P1860, P1887 OR OTHER MISCELLANEOUS TRANSMISSION TROUBLE CODES SET. *TT

030730045 ↗

BUICK, PONTIAC

SERVICE ENGINE SOON/SERVICE VEHICLE SOON LAMP ILLUMINATED, TRANSMISSION SLIPS, NO UPSHIFT OR ERRATIC SHIFTS, DIAGNOSTIC TROUBLE CODES (DTCS) P0753, P1860 SET. *TT

030730036 ↗

CHEVROLET, PONTIAC

TRANSMISSION SLIPS IN 4TH GEAR, STUCK IN 2ND GEAR OR SES/TCS LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODES (DTCS) P0753, P0758, P1860, C1223, C1224 OR C1275 MAY BE SET. *TT

020730044 ↗

OLDSMOBILE, PONTIAC

ERRATIC SPEEDOMETER, ERRATIC SHIFTING, CRUISE CONTROL INOPERATIVE, DIAGNOSTIC TROUBLE CODE P0502, P0758, P1860 SET. *TT

Check vehicle applicability

98

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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MakeModelModel year
BuickCENTURY ↗2004
BuickCENTURY ↗2003
BuickCENTURY ↗2002
BuickCENTURY ↗2001
BuickCENTURY ↗2000
BuickLESABRE ↗2004
BuickLESABRE ↗2003
BuickLESABRE ↗2002

Code meaning and manufacturer information

Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.

TCC PWM Solenoid Circuit Electrical/ Transmission Transfer Case Contact Plate ‘D’ Short Circuit To Battery

Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.