Did you find and correct the condition?
Go to Step 29
Go to Step 22
17
Inspect for poor connections at the starter motor relay.
Refer to Testing for Intermittent Conditions and Poor
Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 29
Go to Step 25
18
If equipped with an automatic transmission, inspect for
poor connection at the PNP switch harness connector.
Refer to Testing for Intermittent Conditions and Poor
Connections and Connector Repairs in Wiring Systems.
If OK, perform the Park/Neutral Position Switch
Adjustment in Automatic Transmission - 4L60-E/4L65-E.
Did you find and correct the condition?
Go to Step 29
Go to Step 26
19
Inspect for poor connections at the harness connector of
the PCM. Refer to Testing for Intermittent Conditions
and Poor Connections and Connector Repairs in Wiring
Systems.
Did you find and correct the condition?
Go to Step 29
Go to Step 20
20
Replace the PCM/engine control module (ECM). Refer to
Powertrain Control Module (PCM) Replacement in
Engine Controls - 4.8L, 5.3L, and 6.0L.Is action complete?
IMPORTANT:
The replacement PCM must be programmed.
Go to Step 29
-
21
Inspect for poor connections at the ignition switch harness
connector. Refer to Testing for Intermittent Conditions
and Poor Connections and Connector Repairs in Wiring
Systems.
Did you find and correct the condition?
Go to Step 29
Go to Step 27
22
Inspect for poor connections at the starter solenoid. Refer
to Testing for Intermittent Conditions and Poor
Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 29
Go to Step 28
23
Repair the open or high resistance in the battery positive
voltage circuit of the Starter Motor relay switch circuit.
Refer to Wiring Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 29
-
24
Repair the short to ground in the supply voltage circuit of
the starter solenoid. Refer to Wiring Repairs in Wiring
Systems.
Did you complete the repair?
Go to Step 29
-
25
Replace the Starter Relay. Refer to Relay Replacement
(Within an Electrical Center) or Relay Replacement
(Attached to Wire Harness) in Wiring Systems.
Did you complete the replacement?
Go to Step 29
-
Replace the PNP switch. Refer to Park/Neutral Position
2004 Hummer H2
2004 ELECTRICAL Engine Electrical - Hummer H2