PACCAR MX (2004 Emissions) Fault Code: U177B Accelerator Pedal 1 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (B41)
PACCAR MX (2004 Emissions) Fault Code: U177B Accelerator Pedal 1 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (B41)
SET CONDITIONS:
This DTC is set when the ECU detects a higher voltage than expected on the signal or control circuit of the ECU.
DIAGNOSTIC CONDITION:
The diagnostic runs continuously when the ignition is keyed on.
CORRESPONDING OBD READINESS MONITOR:
None
RESET CONDITION:
The DTC changes to inactive after the diagnostic runs and passes.
REPAIR VERIFICATION:
1. Clear all DTCs.
2. Test drive or operate the vehicle to meet the diagnostic conditions and set conditions.
3. Did the DTC come back?
– No, repair successful
– Yes, repair unsuccessful
POSSIBLE CAUSES:
1. The sensor or actuator signal wiring has a short circuit to supply.
2. A malfunction of the sensor or actuator
-
ddct Detroit diesel calibration tool (DDCT) v4.5 English Include Calibrations & Metafiles
Detroit $30.00Rated 0 out of 5
-
Detroit Diesel Diagnostic Link DDDL 8.0 PRO PROFESSIONAL Software trucks
Detroit $25.00Rated 0 out of 5 -
CLAAS WebTIC Offline [11.2021] Service Information – ENGLISH Language
CLAAS $100.00Rated 0 out of 5 -
download Hitachi Construction Machinery MPDr Ver 3.7.0.0 [10.2020] Diagnostic Software
Hitachi $76.00Rated 0 out of 5 -
Eaton Service Ranger 4.9 Engineering 4.9 [05.2021] Engineering Level ( 1 PC )
Eaton $67.00Rated 0 out of 5 -
Volvo PROSIS Offline 2019 Parts Catalog Installation Service
Trucks software $45.00Rated 0 out of 5
Related products
-
SERVICE MANUAL INTERNATIONAL ENGINE VT365 (2004 & Newer)
INTERNATIONAL ENGINES $24.00Rated 0 out of 5 -
SERVICE MANUAL DETROIT DIESEL DDEC VI – Application And Installation Manual
DETROIT $20.00Rated 0 out of 5