Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM

DTC Code

Detection Item

See page

P163B

4WD ECU Malfunction

P17A0

Automatic Disconnecting Differential Motor Control Circuit Open

P17A4

Automatic Disconnecting Differential Motor Limit Switch Circuit

P17A8

Transfer Shift Motor Control Circuit Circuit Open

P17A9

Transfer Shift Motor Control Circuit Low

P17AA

Transfer Shift Motor Control Circuit High

P17AC

Transfer Shift Motor Limit Switch Circuit

P17C7

Front Differential Oil Temperature Sensor Circuit Low

P17C8

Front Differential Oil Temperature Sensor Circuit High

P2772

Four Wheel Drive (4WD) Low Switch Circuit Range / Performance

P279E

Four Wheel Drive (4WD) Range Signal Circuit Range / Performance

U0100

Lost Communication with ECM / PCM "A"

U0122

Lost Communication with Vehicle Dynamics Control Module

U0416

Invalid Data Received From Vehicle Dynamics Control Module

Freeze Frame Data
FREEZE FRAME DATA 1. FREEZE FRAME DATA (a) When a DTC is stored, the 4 wheel drive control ECU stores the current vehicle state as Freeze Frame Data. HINT: Freeze Frame Data at the time a DTC is ...

Front Differential Oil Temperature Sensor Circuit Low (P17C7)
DESCRIPTION This DTC is output when a short to ground in the oil temperature sensor is detected. DTC No. Detection Item DTC Detection Condition Trouble Ar ...

Other materials:

Passenger Side Buckle Switch Circuit Malfunction (B1771)
DESCRIPTION The passenger side buckle switch circuit consists of the occupant detection ECU and the front seat inner belt assembly RH. DTC B1771 is recorded when a malfunction is detected in the passenger side buckle switch circuit. Troubleshoot DTC B1771 first when DTCs B1771 and B1795 are o ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL MASTER CYLINDER RESERVOIR GROMMET (a) Apply lithium soap base glycol grease to 2 new grommets. (b) Install the 2 grommets onto the brake master cylinder reservoir. 2. INSTALL BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY (a) Install the brake master cylinder reservoi ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FLUID LEVEL IN RESERVOIR (a) Check the fluid level. If the brake fluid level is lower than the MIN line, check for leaks and inspect the disc brake pads. If necessary, refill the reservoir with brake fluid to the MAX line after repair or replaceme ...

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